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

What’s more, those are NASA’s plans, and they don’t include military space business or private enterprise, including the communications and imaging networks being built out by SpaceX, AST SpaceMobile, Amazon.com, Planet Labs, and others.

From Barron's • 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

AST SpaceMobile and SpaceX’s Starlink Mobile are competing in satellite-to-cell, claiming speeds over 120 and 150 megabits per second, respectively.

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