Idiom: at it Informal Engaged in verbal or physical conflict; arguing or fighting: The neighbors are at it again.

Middle English, from Old English t; see ad- in Indo-European roots.

T abbr. attotesla at ( t ) prep 1.

Old Frisian et, Old Saxon, Old Norse, Gothic at, Old High German az, Latin ad at 2 (t, t) n., pl.

Laos, equal to 1100 of a kip.

If you want to mention the building where something is or where something happens, you usually use at.

In British English, you say that someone is at school or at university when you want to say that they study there.

Speakers of American English usually say that someone is in school.

See school - university You say that something happens at a meeting, ceremony, or party.

They met at a dinner party.

At is also used to say when something happens.

At 2.30 a.m. he returned.

If you want to know the precise time when something happened or will happen, you can say At what time.

What time At nine.

You can say that something happened or will happen at dawn, at dusk, or at night.

However, you say that something happened or will happen in the morning, in the afternoon, or in the evening.

If something happens at a meal time, it happens while the meal is being eaten.

However, you say that something happens on a particular day during Christmas or Easter.

At - a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium astatine, atomic number 85 chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter halogen - any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions 2.

This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.

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