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AST

or A.S.T., a.s.t.

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Atlantic Standard Time.See under standard time.
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SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
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Question 1 of 6
Which form is used to state an obligation or duty someone has?

Other definitions for AST (2 of 2)

-ast

a suffix of nouns that denote a person who practices or is concerned with something, or holds certain principles, doctrines, etc.: enthusiast;ecdysiast;gymnast.

Origin of -ast

A variant of -ist after the vowel i; from Greek -astēs
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use AST in a sentence

British Dictionary definitions for AST

AST

abbreviation for
Atlantic Standard Time
automated screen trading (in securities)
British education advanced skills teacher
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 AST

AST

abbr.
aspartate aminotransferase
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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