AST

¹ American  

Or A.S.T.,

1. Atlantic Standard Time. standard time

---

-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.

---

AST British  

abbreviation

1. Atlantic Standard Time

2. automated screen trading (in securities)

3. education advanced skills teacher

---

Etymology

Origin of -ast

A variant of -ist ( def. ) after the vowel i ; from Greek -astēs

Example Sentences

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

That’s the market that SpaceX, Amazon, AST, and others are going after.

From Barron's • Apr. 15, 2026

On one hand, SpaceX’s IPO could bring more attention to the space trade, boosting trading activity and volatility for companies like AST SpaceMobile as investors seek “sympathy” trades, Mazza told MarketWatch via email.

From MarketWatch • Apr. 8, 2026

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

From Barron's • Apr. 2, 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