| part of the folic acid molecule, a white or yellowish, crystalline, slightly water-soluble solid, C7H7NO2, the para isomer of aminobenzoic acid: used chiefly in the manufacture of dyes and pharmaceuticals and in sunscreens to protect against ultraviolet light. Abbreviation: PABA |
PABA (pä'bə)
n.
Para-aminobenzoic acid; a crystalline para form of aminobenzoic acid that is part of the vitamin B complex, is required by many organisms for the formation of folic acids, and is widely used in sunscreens to absorb ultraviolet light. Also called vitamin Bx.
para-aminobenzoic acid par·a-a·mi·no·ben·zo·ic acid (pār'ə-ə-mē'nō-běn-zō'ĭk, -ām'ə-)
n.
PABA.
| PABA (pä'bə) Pronunciation Key
Short for para-aminobenzoic acid. A crystalline form of aminobenzoic acid that is part of the vitamin B complex. It is a growth factor required by some microorganisms, and it is often used in sunscreens. |
| para-aminobenzoic acid (pār'ə-ə-mē'nō-běn-zō'ĭk, -ām'ə-) Pronunciation Key
See PABA. |
| PABA para-aminobenzoic acid |