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单词 pyrogallol
释义

pyrogallol

noun

py·​ro·​gal·​lol ˌpī-rō-ˈga-ˌlȯl How to pronounce pyrogallol (audio)
-ˌlōl;
-ˈgȯ- How to pronounce pyrogallol (audio)
: a poisonous bitter crystalline phenol C6H6O3 with weak acid properties that is usually obtained by pyrolysis of gallic acid and used especially as a mild reducing agent (as in photographic developing)

Word History

Etymology

International Scientific Vocabulary pyro- + gallic (acid) + -ol entry 1

First Known Use

1868, in the meaning defined above

Medical Definition

pyrogallol

noun

py·​ro·​gal·​lol -ˈgal-ˌȯl How to pronounce pyrogallol (audio) -ˌōl; -ˈgȯ-ˌlȯl How to pronounce pyrogallol (audio) -ˌlōl How to pronounce pyrogallol (audio)
: a poisonous crystalline phenol C6H6O3 formerly used as a topical antimicrobial (as in the treatment of psoriasis)
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更新时间:2024/12/23 14:17:55