1

at

play
preposition \ət, ˈat\

Definition of at

  1. 1 —used as a function word to indicate presence or occurrence in, on, or near staying at a hotel at a party sick at heart

  2. 2 —used as a function word to indicate the goal of an indicated or implied action or motion aim at the target creditors are at him again

  3. 3 —used as a function word to indicate that with which one is occupied or employed at work at the controls good at chess

  4. 4 —used as a function word to indicate situation in an active or passive state or condition at liberty at rest

  5. 5 —used as a function word to indicate the means, cause, or manner sold at auction laughed at my joke act at your own discretion

  6. 6a —used as a function word to indicate the rate, degree, or position in a scale or series the temperature at 90 at firstb —used as a function word to indicate age or position in time will retire at 65

Origin and Etymology of at

Middle English, from Old English æt; akin to Old High German az at, Latin ad


First Known Use: before 12th century


2

at

play
noun \ˈät\
variants: or less commonly

Definition of at

plural

at

also

att

  1. :  a monetary subunit of the kip — see kip at money table

Origin and Etymology of at

Lao


First Known Use: 1955


3

at

abbreviation

Definition of at

  1. 1 airtight

  2. 2 atmosphere

  3. 3 atomic


At

symbol

Definition of At

  1. astatine

Other Chemical Engineering Terms


AT

abbreviation

Definition of AT

  1. 1 air temperature

  2. 2 ampere-turn

  3. 3 automatic transmission

Other Climate/Meteorology Terms


at-

Definition of at-

  1. — see ad-


AT Defined for English Language Learners

1

at

play
preposition \ət, ˈat\

Definition of at for English Language Learners

  • —used to indicate the place where someone or something is

  • —used to indicate the person or thing toward which an action, motion, or feeling is directed or aimed

  • —used to indicate something that is being tried or attempted


AT Defined for Kids

at

play
preposition \ət, at\

Definition of at for Students

  1. 1 —used to indicate a particular place or time They're at the door. Be here at six.

  2. 2 —used to indicate the person or thing toward which an action, motion, or feeling is directed or aimed swinging at the ball laughed at me

  3. 3 —used to indicate position or condition at rest

  4. 4 —used to tell how or why sold at auction angry at his answer

  5. 5 —used to indicate time, age, or position on a scale ate at noon temperate at 90 degrees


Medical Dictionary

at

abbreviation

Medical Definition of at

  1. airtight


At

symbol

Medical Definition of At

  1. astatine


AT

abbreviation

Medical Definition of AT

  1. 1assistive technology

  2. 2 usually A–T ataxia-telangiectasia


Learn More about at


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