AST

¹ American  

Or A.S.T.,

1. Atlantic Standard Time. standard time

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-ast ² American  

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

   enthusiast;

   ecdysiast;

   gymnast.

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AST British  

abbreviation

1. Atlantic Standard Time

2. automated screen trading (in securities)

3. education advanced skills teacher

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Etymology

Origin of -ast

A variant of -ist ( def. ) after the vowel i ; from Greek -astēs

Example Sentences

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

William Blair analyst Louie DiPalma said in a recent note to clients that both SpaceX and AST SpaceMobile will likely look to acquire more spectrum to add capacity to their networks, according to Barron’s.

From MarketWatch • Apr. 14, 2026

AST SpaceMobile is aiming to offer 5G-quality voice, data, and video coverage to cellphones operating in key markets by the end of this year.

From Barron's • Apr. 14, 2026

Space-related stocks have seen substantial growth, with Rocket Lab up 1,700% and AST SpaceMobile up 4,350% over the past two years.

From Barron's • Apr. 13, 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