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A crystalline para form of aminobenzoic acid that is part of the vitamin B complex, sometimes used in sunscreens.
n acronym for
(Elements & Compounds) para-aminobenzoic acid
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|Noun||1.||PABA - a metabolic acid found in yeast and liver cells; used to make dyes and drugs and sun blockers|
sun blocker, sunblock, sunscreen - a cream spread on the skin; contains a chemical (as PABA) to filter out ultraviolet light and so protect from sunburn
acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt