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

AST SpaceMobile, which is working to develop a space-based cellular broadband network, said in a statement that "the altitude is too low to sustain operations."

From Barron's • Apr. 20, 2026

AST said Sunday that the loss will be covered by insurance, but did not say how much it would cost.

From BBC • Apr. 20, 2026

AST SpaceMobile has suggested that its own satellites—which are much larger but fewer in number than the thousands of Starlink craft—will offer superior performance to those of its rivals.

From Barron's • Apr. 20, 2026

The company, founded by Amazon billionaire Jeff Bezos, attempted to place a satellite from AST SpaceMobile using its New Glenn rocket but was unable to get it as far into orbit as intended.

From BBC • Apr. 20, 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