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 is racing to get enough satellites into space in order to deliver 5G-quality voice, data, and video coverage to cellphones anywhere in the world.

From Barron's • Mar. 4, 2026

AST SpaceMobile has said its own latest satellite is capable of exceeding peak data speeds of 120 megabits per second.

From Barron's • Mar. 4, 2026

AST SpaceMobile dropped 15% to $82.22 as the company priced $1 billion worth of debt due in 2036 that can be converted into shares at around $116.30 apiece.

From Barron's • Feb. 12, 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