Student |
Prefix |
Meaning |
Example Words |
5 additional Example Words |
For 2 of the words, give a definition, using the meaning of the prefix and highlight it.
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For one of the words, copy a usage example from Vocabulary.com. |
For one word, write your own simple sentence, showing the meaning of the prefix. |
Comments |
Evaluation |
Carolyn |
a- |
not |
amoral |
1.abiology
2.abiosis
3.abiotic
4.aclusion
5.achromatic
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1.abiology:
The scientific study of things that are not living; in other words, all of the science except those that are biological
2.achromatic:
Without color; colorless; unpigmented
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achromatic:
A similar argument may be applied to find at what point an achromatic lens becomes sensibly superior to a single one.
Various |
achromatic:
Most of old generation's photographs are achromatic.
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Good! |
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dis- |
not |
disassociate |
1.disability
2.disadvantage
3.disagree
4.disappear
5.disapprove
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1.disability:
A condition in which someone is unable to perform because of physical or mental incompetence
2.disapprove:
To refuse to approve; to reject
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disapprove:
Even when Dad disapproves of how things are going and son gets in trouble.
New York TimesMar 6, 2012
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disapprove:
Many people disapprove of the same-sex marriage.
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Good! |
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il- |
not |
illiterate |
1.illegal
2.illusion
3.illicit
4.illustrious
5.illative (interesting word but uncommon; #2-4 would have been much better.)
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1.illegal:
Prohibited by law or by official or accepted rules
2.illative:
Resembling or dependent on or arrived at by inference
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illegal:
Critics say the law would force many poor women into seeking risky illegal abortions.
Seattle TimesApr 13, 2012 |
illegal:
In most situations, the act of plagiarism is illegal.
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Good work, but "illegal" is too easy! |
5 / 5 points |
Gopal |
im- |
not |
impossible
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impregnable (adj.)
Imbalance (n)
immovable (adj)
Immature (adj)
Immiscible (adj.)
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Not probable; unlikely to take place or to be true or to happen.
a lack of balance or state of disequilibrium
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Your parents might tell you it's improbable that they'll buy you a car when you turn 16.
The current imbalance between farming and conservation interests
a hormonal imbalance.
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It is highly improbable that mining would be allowed in the national parks.
Deforestation causes imbalance in biodiversity.
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Good, but you didn't use "impregnable"! However, "improbable" is a good word, too, as is "imbalance". |
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in- |
not |
inactive |
inaudible
inattentive
Inbrust
Inappropriate
Inarticulate
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Not loud enough to be heard; unhearable.
showing a lack of attention or care
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I wore a hearing aid through much of my life, but sounds & voices were still inaudible.
Efficient service, but at quiet times staff members might congregate and table service become inattentive.
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Sound produced by a bat is inaudible for human beings.
The professor is teaching in the class but most students are inattentive.
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good examples and sentences! |
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ir- |
not |
irrational |
Irritable
Irreparable
Irrational
Irascible
Irreverent
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easily irritated or annoyed
Impossible to repair, rectify, or amend
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Then the man without these interior resources gives way, breaks down, becomes querulous, fretful, irritable, sour.
The wrong is irreparable in so far as these men do not think of returning to America except as visitors.
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Is there anything I can do to make you less irritable?
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The second word, irreparable, is an excellent example of the meaning of the prefix. The first one isn't. |
5 /5 points |
Sadraque |
mis- |
bad, wrong |
mistrust
mistake
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1. misfeasance (noun)
2. misadventure (noun)
3. miszealous (adj)
4. misdiagnose
5. misconception
6. misclaim
7. misbehave
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(Law) a situation in which someone does not do something that the law says they are responsible for doing.
a) Bad luck or an accident.
b) In law, a death due to an unintentional accident without any violation of law or criminal negligence.
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Of course the President cannot be held responsible for the misfeasances of subordinates, unless adopted or at least tolerated by him |
Deborha was guilty of a misfeasance. |
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non- |
not, nothing |
non-alcoholic
noncommitae
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1. noncustodial
2. nonclandestine
3. non placet
4. non recuso laborem
5. non quis sed quid
6. non mobis nascimur
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Not involving imprisonment or detention.
Not providing protective supervision; watching over or safeguarding.
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She received a noncustodial sentence from the court. |
He is afraid of receiving a noncustodial sentence.
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un- |
one, single |
unilateral
union
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1. unanimous
2. uniform
3. undecennary
4. unibody
5. unify
6. uniflorous
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Shared as a view by all of the people concerned, with no one disagreeing.
A particular type of glothing worn by all the members of a group or organization, such as the police, the army, etc.
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Congress gave its unanimous approval of the bill. |
Their parents have been unanimous in supporting them. |
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0 / 5 points |
Amani |
demi- |
half |
demirep (????)
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demigod
demilune demi-pension demiurge
demitasse
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1. demigod: a man in ancient stories, who is half god and half human.
2. demitasse:
small cup of strong black coffee without milk or cream.
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No, thank you!” and she calls the waiter to bring a demitasse with cognac.
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I do not believe that there is a demigod. |
You chose two good words to illustrate the meaning of "demi". |
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hemi- |
half |
hemisphere |
hemicrania hemigeusia
hemimelia
hemiopalgia hemisensory
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1. hemicrania: a severe recurring vascular headache; occurs more frequently in women than men.
2. I did not find.
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Some other diseases are erroneously called rheumatic, as hemicrania, and odontalgia.
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women have the hemicrania more than men. |
You chose all uncommon words. "Hemisphere" is very common, however, and you should know it. |
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semi- |
half |
semiformal
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semiliterate
semiskilled
semitone
semiautomatic
semicircle
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1. semiskilled: needing or having some skills or training.
2.semicircle: half a circle.
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The incisors of each jaw are placed in close contact, forming a semicircle.
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Semi Skilled work Makes you more interested. (I don't understand this sentence.) |
Good words and good definitions, but the sentence for "semi-skilled" doesn't show its meaning. |
4.5 / 5 points |
Dalal |
mon-
mono-
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one |
monologue |
1. monoculous
2. Monostoatic
3. monoandry (???)
4. Monochrome
5. monocity (???)
monopoly
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Monochrome:
Consisting of only one color and white; usually, of black and white.
monoculous:
Having just one eye.
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Used television to view monochrome output
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The printer is designed to print monochrome only on plain paper . |
Good definitions and examples, but #3. and #5 are not common. Probably the most common words for "mono" is "monopoly", and you should know its meaning! |
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uni- |
one |
unification |
1. disunion .
2. reunion.
3. unicameral
4. uniflorous.
5. uniped.
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unicameral:
Having or consisting of a single legislative chamber.
uniflorous :
Having just one flower.
uniped :
A person having only one foot (or leg); a one-footed creature
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Unicameral parliament could become an elective dictatorship.
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Even though I have got a uniflorous gift on my birthday, I am happy. |
Interesting! |
5 / 5 points |
Khalid |
proto- |
primitive |
fetoprotein
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lipoprotein
mucoprotein
protein
proteinuria
protoplasm
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1- lipoprotein: Any of the lipid-protein complexes in which lipids are transported in the blood.
2-protoplasm: The colorless liquid or jelly contents of a living cell, composed of proteins, fats, and other organic substances in water and which is regarded as the physical basis of all living matter and life functions.
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protoplasm:
the substance of a living cell (including cytoplasm and nucleus).
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A primitive human was no laws in his life. |
0 work done I'm so sorry Professor I didn't know this was our homework. |
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olig- |
few, small |
oligandrous |
oligarch
oligemic
oligoamnios
oligoarthritis
oligocarpus
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oligocarpus: Having few carpels or fruit.
oligemic: Pertaining to or characterized by oligemia.
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no more word in VOCAB
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i didn't find any one |
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poly- |
too many, too much |
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0 / 5 points |
Nouf |
bi-
bin-
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two- twice |
bifacial
binary
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1- biannual
2-bicameral
3-bicarbonate
4-bicentennial
5-bicultural
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1- occurring twice a year
2- having two branches, chambers, or houses as alegislative body.
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The word bicameral originates from the Latin bi-, meaning "two," combined with camera, meaning "chamber." |
I have to go to the doctor biannually to do checking up. |
good examples and good sentence, Nouf, to illustrate the meaning of the prefix. |
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tri- |
three |
triacid
triatomic
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1-triacid
2-triage
3-triadelphous
4-triangle
5- triangular
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5- involving three people or teams.
4- a flat shape with three straight sides and three angles.
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A triangular pyrimid has a triangle for a base. |
A triangular sporting competition is of favorite sports. |
some uncommon words; I crossed them out. Your sentence doesn't use the word correctly. Write a new sentence, please.
A sporting competition cannot be triangular. "Tri-" means "three." "Angular" means "angles". Therefore, a pyramid is triangular because it has three angles.
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4 / 5 points |
Faeza |
dec-
deci-
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ten |
decade |
1.decathlon
2.decameter
3.declaiter
4.decagram
5.decapod
1.decimate
2.decibel
3.decimal
4.deciliter
5.decile
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1.an athletic contest consisting of ten different events.
2. a metric unit of length equal to ten meters.
1.Kill one in every ten, as mutineers in Roman armies.
2.a longarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity.
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Now hardly anyone knows who the decathlon champion might be.
New York Times Jun 6, 2010
After Earth’s population is decimated by a virus, the survivors are forced underground.
Time Nov 11, 2011
"People are most likely to notice communication problems when their hearing loss exceeds 25 decibels," Lin said in an interview.
Seattle Times Jan 17, 2012
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Mike Smith is one of the decathlon thletics athletes in 1986.
Enviromental pollution decimates 9 million children every year.
Noisy decibels damage human ears.
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Good!
Excellent sentences.
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cent- |
hundred |
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1.percentile
2. per centum
3. century
4. centimeter
5. centile
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1.One of 100 equal parts that a group of people can be divided into in order to rank them.
A quantity can be increased by any percentage but should not be decreased by more than 100 percent.
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The seats are supposed to fit men in the 95th percentile for height and weight.
New York Times Apr 3, 2012
"One hundred per centum of cases of neurasthenia are curable," responded the specialist.
Bleyer, Willard Grosvenor
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Percentile life expectancy is shown in graph 7 .
100 per centum of the Women's Film Festival in Brattleboro are volunteers .
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Good words, illustrations, and sentences. |
5 / 5 points |
Gaudence |
hect- |
hundred |
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1. hectoliter
2. hectogram
3. hectare
4. hectometer
5. hectograph
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a metric unit of volume or capacity equal to 100 liters
One hundred grams, the equivalent of 1543.7 grains.
(abbreviated `ha') a unit of surface area equal to 100 ares (or 10,000 square meters)
a metric unit of length equal to 100 meters
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We have to give four hectoliters and two measures of our oats to the common granary....
Persky, Serge
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During the Libyan war, fuel raised up increased to 2000 Rwandan franc per hectoliter.
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Good! |
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myria- |
ten thousand; uncountless |
myriameter |
1. myriad
2. myriarch
3. myriarchy
4. myriotheism
5. myrialiter
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So many that they cannot be counted
A captain, or commander, of ten thousand men.
Government by ten thousand rulers.
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"The myriad stars were impossible to count."
On Thursday, a Hong Kong newspaper, Apple Daily, disclosed myriad details of Bo family dealings in line with those criticisms.
New York TimesApr 12, 2012
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He was told that his country has experienced a myriadproblems related to drug war.
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Good! |
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micro- |
small |
microscope |
1. microscopic
2. microparasite
3. micracoustic
4 .microfauna
5. microecology
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A microorganism that lives as a parasite on other organisms and which is too small to be seen with the "naked" eye.
Something which is extremely small or that is not large enough to be seen with the naked eye but visible under a microscope.
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Identifying and cultivating these microscopic food sources has proved difficult.
Scientific AmericanApr 6, 2012
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My friend is suffering from a dermatological disease; consequently, she has been asked to give a small tissue as a sample for a microscopic test.
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Excellent work! |
5 / 5 points |
Gavin
extra credit (Name?)
Gaudence
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milli- |
thousandth |
milligram |
1. million
2. millennium
3. milligram
4. millisecond
5. milliwatt
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1. a cardinal number, a thousand times one thousand.
2. the amount of a thousand thousand units of money, as pounds, dollars, or francs
- period of 1000 years.
- a thousandth anniversary.
One-thousandth of a gram.
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The Boston-based custody bank's net income was $417 million, or 85 cents a share, including preferred stock dividends and other adjustments.
New York TimesApr 17, 2012
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Maria was given three million Kenyan Shillings for the piece of land she sold yesterday.
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This word is too easy! Good examples, though! |
1 extra credit point |
Gaudence |
macro- |
large |
macroanalysis |
1. macroeconomics
2. macrocephalous
3. macroflora
4. macrobiosis
5. baromacrometer
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A branch of economics that focuses on the general features and processes that make up a national economy and the ways in which different segments of the economy are connected (takes a singular verb).
An individual with an abnormally large head.
1. Plants that are large enough to be seen with the naked eye.
1. Tending to prolong life; relating to the prolongation of life. 2. The science of prolonging life.
An instrument for ascertaining the weight and length of a newborn infant.
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“Looking back on my time at the Federal Reserve, it gave me the opportunity to be exposed to macroeconomics.”
SlateOct 17, 2011
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A friend of mine was really happy because she got an A in Macroeconomics.
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good! |
1 extra credit point |
Gaudence |
mega- |
large |
megalomania |
1. megabyte
2. megacosm
3. megafauna
4. megaseism
5. megazooid
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a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes
The great world or that part of the universe which is exterior to man; as contrasted with microcosm, or mankind.
1. Large or relatively large animals, as of a particular region or period, considered as a group.
A violent earthquake
Large animals.
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How are you supposed to know how many megabytes will be used up by a certain Web page or e-mail session?
New York TimesMar 21, 2012 |
The photoes I emailed were 12 megabytes in size. |
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1 extra credit point |
Gaudence |
magni- |
Great |
magnitude |
1. magnanimity
2. magnitude
3. magnificence
4. magnocellular
5. magnisonant
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Great generosity or noble-spiritedness.
The quality or fact of being great, in various senses; in the physical sense, great size or extent.
Glory; greatness of nature or reputation.
Consisting of, designating, or relating to neurons with large cell bodies.
Sounding great or important.
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He treated his prisoner with almost ostentatious magnanimity, and took him to Bordeaux, whence they sailed to England in May 1357.
Various
Using his own calculations with real-time GPS data from the Japanese earthquake, Melbourne got the right magnitude within two minutes.
Scientific AmericanApr 20, 2012 |
Magnanimity is a special quality to have. |
Good examples and sentences |
1 extra credit point |
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