-ast

¹ 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 ² American  

Or A.S.T.,

1. Atlantic Standard Time. standard time

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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’s stock was surging Monday as investors prepare for an upcoming launch of the company’s next-generation satellites.

From MarketWatch

“The mission marks the start of our next phase of execution, with a launch planned every 45 days on average during 2026, as we continue building space-based cellular broadband connectivity for all,” AST SpaceMobile said in a statement.

From MarketWatch

AST SpaceMobile shares were up more than 14% in recent midday trading, having gained over 40% across the past three sessions.

From MarketWatch

AST SpaceMobile plans to offer “intermittent” direct-to-direct cellular service across the U.S. by early 2026 and expand its reach later in the year.

From MarketWatch

Citi analysts recently took a look at developments at SpaceX’s Starlink, AST SpaceMobile Inc.

From MarketWatch