at
1[ at; unstressed uht, it ]
/ æt; unstressed ət, ɪt /
preposition
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Idioms for at
be at (someone), to be sexually aggressive toward (a person): She's pregnant again because he's at her morning, noon, and night.
where it's at, Informal. the place where the most interesting or exciting things happen: Emma says that Rome is definitely where it's at now.
Origin of at
1First recorded before 900; Middle English; Old English æt; cognate with Old Frisian et, Old Norse, Old Saxon, Gothic at, Old High German az, Latin, Old Welsh, Old Breton ad, Oscan ad-, Umbrian ař-, Old Irish, Gaulish, Phrygian ad-
Definition for at (2 of 9)
at2
or att
[ aht, at ]
/ ɑt, æt /
noun, plural at or ats.
a money of account of Laos, one 100th of a kip.
Origin of at
2First recorded in 1950–55; from Lao; compare Thai ʔàt formerly, a copper coin worth one eighth of a füang, ultimately from Pali aṭṭha eight
Definition for at (3 of 9)
Definition for at (4 of 9)
At2
Symbol, Chemistry.
astatine.
Definition for at (5 of 9)
Definition for at (6 of 9)
aT
attotesla.
Definition for at (7 of 9)
Definition for at (8 of 9)
at.
atmosphere.
atomic.
attorney.
Definition for at (9 of 9)
A.T.
Atlantic time.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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British Dictionary definitions for at (1 of 6)
at1
/ (æt) /
preposition
Word Origin for at
Old English æt; related to Old Norse at to, Latin ad to
British Dictionary definitions for at (2 of 6)
at2
/ (ɑːt, æt) /
noun plural at
a Laotian monetary unit worth one hundredth of a kip
Word Origin for at
from Thai
British Dictionary definitions for at (3 of 6)
at3
the internet domain name for
Austria
British Dictionary definitions for at (4 of 6)
At
the chemical symbol for
astatine
symbol for
Also: A ampere-turn
British Dictionary definitions for at (5 of 6)
AT
abbreviation for
attainment target
British Dictionary definitions for at (6 of 6)
at.
abbreviation for
Also: atm atmosphere (unit of pressure)
atomic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for at (1 of 2)
At
The symbol for the elementastatine
Medical definitions for at (2 of 2)
at-
pref.
Variant ofad-
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for at
At
The symbol for astatine.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.