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.
material
Noun
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Material is the things or ideas that are used in making or doing something.
The raw materials for the goods are mostly imported from Canada.
After the earthquake, it took a long time to rebuild because the building materials were often unavailable.
He spent a year researching and gathering material before writing the book.
material
Adjective
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Material things are things in the real world, often money.
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If something is material, it is big and important.