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

Satellite maker Sidus Space gained nearly 19% and shares of AST SpaceMobile rose by 10%.

From BBC • Mar. 25, 2026

AST SpaceMobile stock rose 13% to $105.11 after Telus Corp. became a new partner and equity shareholder.

From Barron's • Mar. 4, 2026

That throws the gauntlet down to AST SpaceMobile, which has long suggested that its own satellites—which are much larger but fewer in number than the thousands of Starlink craft—will offer superior performance.

From Barron's • Mar. 4, 2026

AST SpaceMobile’s army of fervent retail trader fans will be hoping that by then, their own company’s satellites are already tracing their own celestial path.

From Barron's • Mar. 4, 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