para-aminobenzoic acid
noun
para-ami·no·ben·zo·ic acid
ˌper-ə-ə-ˌmē-ˌnō-ˌben-ˈzō-ik-
ˌper-ə-ˌa-mə-(ˌ)nō-,
ˌpa-rə-
: a colorless para-substituted aminobenzoic acid that is a growth factor of the vitamin B complex and is used as a sunscreen
called also PABA
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Merriam-Webster unabridged
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