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.
serving
—
noun
(= service)
the act of delivering a writ or summons upon someone
he accepted service of the subpoena
—
noun
(= helping, portion)
an individual quantity of food or drink taken as part of a meal
the helpings were all small
his portion was larger than hers
there's enough for two servings each