| spec | gr specific gravity |
|---|---|
| SpG | specific gravity |
| SpGr, sp | gr specific gravity |
| CAT | California Achievement Test; capillary agglutination test; catalase; cataract; catecholamine; Childr... |
| TAT | tetanus antitoxin; thematic apperception test; thematic aptitude test; thrombin-antithrombin complex... |