英语词汇“alkapton”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

alkapton

/alˈkaptɒn/

(also alcapton) Medicine. Now chiefly historical

noun

An acidic substance, later identified with homogentisic acid, which is excreted by people with alkaptonuria and causes their urine, left standing, to turn dark through oxidation.

Homogentisic acid is 2,5-dihydroxyphenylacetic acid; C₆H₄(OH)₂COOH..

Origin

Mid 19th century; earliest use found in Edmund Parkes (1819–1876), physician and hygienist. From German Alkapton, †Alcapton from al- (in Alkali) + ancient Greek κάπτον, neuter present participle of κάπτειν to swallow greedily; see quot. 1860 for the semantic motivation of the name.

单词	alkapton
释义	alkapton /alˈkaptɒn/ (also alcapton) Medicine. Now chiefly historical noun An acidic substance, later identified with homogentisic acid, which is excreted by people with alkaptonuria and causes their urine, left standing, to turn dark through oxidation. Homogentisic acid is 2,5-dihydroxyphenylacetic acid; C₆H₄(OH)₂COOH.. Origin Mid 19th century; earliest use found in Edmund Parkes (1819–1876), physician and hygienist. From German Alkapton, †Alcapton from al- (in Alkali) + ancient Greek κάπτον, neuter present participle of κάπτειν to swallow greedily; see quot. 1860 for the semantic motivation of the name.
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