| 单词 | para-aminobenzoic acid |
| 释义 | para-aminobenzoic acid[ par-uh-uh-mee-noh-ben-zoh-ik, -am-uh-noh- ] / ˈpær ə əˌmi noʊ bɛnˈzoʊ ɪk, -ˌæm ə noʊ- / noun Chemistry, Biochemistry.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 Origin of para-aminobenzoic acidFirst recorded in 1905–10; para-1 + amino- + benzoic acid Words nearby para-aminobenzoic acidpapyraceous, papyrology, papyrus, par, para, para-aminobenzoic acid, para-aminohippuric acid, para-aminosalicylic acid, para-aortic body, paraballism, parabasal body Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for para-aminobenzoic acidpara-aminobenzoic acid nounbiochem an acid present in yeast and liver: used in the manufacture of dyes and pharmaceuticals. Formula: C 6 H 4 (NH 2)COOH Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for para-aminobenzoic acidpara-aminobenzoic acid [ păr′ə-ə-mē′nō-bĕn-zō′ĭk, -ăm′ə- ] n.PABA. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for para-aminobenzoic acidpara-aminobenzoic acid [ păr′ə-ə-mē′nō-bĕn-zō′ĭk, -ăm′ə- ] See PABA. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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