AST

standard time in the 4th time zone west of Greenwich, reckoned at the 60th meridian

AST is a three-letter abbreviation that stands for a number of different things.In aviation, it means Advanced Supersonic Transport.In computer science, it means abstract syntax tree.In mathematics, it refers to the Alternating series test.In medicine, it refers to the liver enzyme aspartate transaminase.In space, it means the Office of Commercial Space Transportation.In the Coast Guard, Aviation Survival Technician, a level of trainingAST is an abbreviation for three time zones:Alaska Standard Time - note that "AKST" is commonly used to designate Alaska Standard Time, to distinguish between Atlantic and Alaskan time.Atlantic Standard Time.Arabia Standard Time (UTC+3).
See more at Wikipedia.org...

Aspartate transaminase (AST) also called serum glutamic oxaloacetic transaminase (SGOT) or aspartate aminotransferase (ASAT/AAT) is similar to alanine transaminase (ALT) in that it is another enzyme associated with liver parenchymal cells.
See more at Wikipedia.org...

AST aspartate transaminase. AST abbr. aspartate aminotransferase AST aspartate aminotransferase. AST 1 Aspartate aminotransferase, see there 2 [more]AST - Community and Resources

n. bough, branch of a tree, limb, large or main branch of a tree, ramus

v. graze, feed on growing grass, browse

kiln, oven or furnace in which various substances are baked or dried (i.e. bricks, ceramic tiles, etc.)