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

High valuations, like AST SpaceMobile’s $35 billion, reflect a significant market for space-based communications.

From Barron's • Apr. 15, 2026

AST SpaceMobile already has partnership with mobile network operators and plans to deliver a commercial service in 2027, assuming that it can meet its launch requirements.

From MarketWatch • Apr. 15, 2026

New Glenn could launch again as soon as Friday, a flight set to carry a satellite developed by Texas-based AST SpaceMobile, which would help Blue Origin chip away at a yearslong backlog of orders.

From The Wall Street Journal • Apr. 15, 2026

Amazon.com, AST SpaceMobile, Planet Labs, and BlackSky Technology are four service providers using space for new business models.

From Barron's • Apr. 13, 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