PABAn.
/ˌpiːeɪbiːˈeɪ/, /ˈpabə/, U.S. /ˈˌpiˌeɪˌbiˈeɪ/, /ˈpæbə/ Chiefly Biochemistry and Pharmacology.
= para-aminobenzoic acid n. at para-aminobenzoic adj.
ΘΚΠ
the world > health and disease > healing > medicines or physic > medicines for specific purpose > remedies for parasitic infections > [noun] > other internal parasiticides > specific drugs
phenanthridine1890
trypan red1905
trypan blue1911
tryparsamide1921
Bayer 2051922
stibophen1941
stilbamidine1941
suramin1941
mepacrine1943
PABA1943
metronidazole1960
stibocaptate1962
1943 Science 27 Aug. 203/2 An intensive yellow pigmentation has been observed in cultures of a certain strain of Tubercle bacillus when grown in the presence of high concentrations of p-aminobenzoic acid (PABA).
1945 Proc. Soc. Exper. Biol. & Med. 58 262/1 In addition to its activity against typhus rickettsiae, preliminary experiments have shown that paba also inhibits growth of the rickettsiae of Rocky Mountain spotted fever.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) XIII. 244/2 The mode of action of sulfonamides is considered to be an antimetabolite activity, dependent upon the inhibition of enzyme systems involving the essential PABA.
1995 Hanover (Ont.) Post 18 July a6/3 Avoid the sun between the hours of 10 a.m. and 3 p.m., apply a sunscreen..and avoid scented sunscreens or sunscreens containing Paba.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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n.1943