AST
1 Americanabbreviation
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Atlantic Standard Time
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automated screen trading (in securities)
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education advanced skills teacher
Etymology
Origin of -ast
A variant of -ist ( def. ) after the vowel i ; from Greek -astēs
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The outlook comes as AST SpaceMobile expands its satellite constellation and adds commercial and government contracts.
From The Wall Street Journal ● Aug. 10, 2026
AST SpaceMobile also pushed back a satellite-launch target.
From The Wall Street Journal ● Jul. 20, 2026
The delayed timeline will likely leave AST SpaceMobile further behind SpaceX, which dominates with its Starlink business.
From MarketWatch ● Jul. 16, 2026
The Wednesday launch of three satellites brings AST SpaceMobile’s total satellites into orbit to nine.
From Barron's ● Jun. 17, 2026
His other computer, an AST 386SX with 330 MB of storage was the one his recruits called with reports.
From Terminal Compromise: computer terrorism: when privacy and freedom are the victims: a novel by Winn Schwartau
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.