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.
AST SpaceMobile already has partnership with mobile network operators and plans to deliver a commercial service in 2027, assuming that it can meet its launch requirements.
From MarketWatch • Apr. 15, 2026
New Glenn could launch again as soon as Friday, a flight set to carry a satellite developed by Texas-based AST SpaceMobile, which would help Blue Origin chip away at a yearslong backlog of orders.
From The Wall Street Journal • Apr. 15, 2026
That’s the market that SpaceX, Amazon, AST, and others are going after.
From Barron's • Apr. 15, 2026
Meanwhile, for AST SpaceMobile, the race to launch its own constellation of satellites is heating up.
From Barron's • Apr. 14, 2026
This led to a thorough familiarity with the European PC distribution business, and he worked then as AST Research's first European sales manager.
From Interviews (1998-2001) by Lebert, Marie
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.