| AST | sour or bitter in taste |
|---|---|
| AST | a drug that causes contraction of body tissues and canals |
| AST | the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life |
| AST | comparatively large neuroglial cell |
| AST | (neurology) of or relating to or containing large star-shaped cells in the neuroglia |
| AST | a transparent dome on top of an airplane where the navigator can make celestial observations |
| AST | the branch of astronomy that studies the motion of natural and artificial bodies in space |
| AST | navigate in space |
| AST | guide in interplanetary travel |
| AST | the navigator of a spacecraft |
| AST | tissue consisting of large stellate neuroglial cells |
| AST | an early form of sextant |