Englishfor English speakers
AD
Abbreviation
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AD is short for the Latin words anno Domini, which means in the year of our Lord. You use AD to refer to a date after the year in which Jesus Christ is believed to have been born.
The Romans started building the Colosseum in 70 AD.
ad
Noun
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A short way of saying advertisement.
I saw an ad in the newspaper for a job at the factory.
committee
Noun
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A group of people that come together to do something or decide something.
He is on the administrative committee. They decide how to administer the school.
established
Adjective
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If an institution, system, etc. is established, it has existed for some time and is probably well known.
The established church leaders often do no wish to see changes that might reduce their power.
The fact that the earth is a ball is well established.
by
Preposition
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near or next to.
The mailbox is by the bus stop.
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at some time before (the given time).
Be back by ten o'clock!
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if something is done by somebody, it is done through their action
The matter was decided by the chairman.
The boat was swamped by the water.
He was protected by his body armour.
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if something is created by somebody, they are the creator, author, etc.
There are many well-known plays by William Shakespeare.
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shows how someone does something
I avoided the guards by moving only when they weren't looking.
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using the rules or logic of.
I sorted the items by category.
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with a change of. In this case, by shows how much something has changed.
Our stock is up by ten percent.
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shows how slowly, or how quickly, someone does something (used in the form "X by X" or "by Xs")
We went through the book page by page.
We crawled forward by inches.
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If you multiply mathx/math by mathy/math, you multiply mathx/math × mathy/math.
Five multiplied by seven is 35.
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If you divide mathx/math by mathy/math, you find how many mathy/maths are in mathx/math.
35 divided by seven is five.
general
Adjective
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Usual; about most things. An idea is a general idea if it's about many things or about most things, not just about one specific thing.
First I will talk about general problems of farming, and then I will talk about the specific problems of wheat farming.
In general, I enjoy pizza.
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General is approximate, not exact; maybe a little different; close but maybe not the same.
general
Noun
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A general is the leader of an army.
The president told the general to bring the army home.
assembly
Noun
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A group of people who came together for an event.
She stood in front of the assembly and started to talk.
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The act of people or things coming together.
It took a few minutes for the assembly of everything she needed to bring with her.
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The act of making something by putting parts together.
We bought a desk, but we didn't know it needed assembly at home.
resolution
Noun
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A resolution is a formal decision, often after a vote.
The U.S. may be willing to support a Security Council resolution backing the return of inspectors to Iraq.
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Resolution is the amount of detail that you can see in an image.
This camera is cheaper, but, of course, the resolution is much lower.
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A resolution is a solution to a disagreement or difficult situation.
The school holds classes in nonviolent conflict resolution.
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A resolution is a personal decision (not) to do something.
My New Year's resolution was to quit smoking.
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Resolution is the power to try even when things are difficult.
Her resolution to be honest never weakened.
of
Preposition
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Made using.
It is a house of cards.
December
Proper noun
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December is the twelfth month of the year.
There are 31 days in December.