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单词 picrolichenic
释义

picrolichenicadj.

Brit. /ˌpɪkrə(ʊ)ˈlʌɪkᵻnɪk/, /ˌpɪkrə(ʊ)ˈlɪtʃᵻnɪk/, U.S. /ˌpɪkroʊˈlaɪkəˌnɪk/
Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: picrolichenin n., -ic suffix.
Etymology: < picrolichen- (in picrolichenin n.) + -ic suffix, after German Pikrolicheninsäure (W. Zopf 1902, in Ann. der Chem. 321 39).
Biochemistry.
picrolichenic acid n. a very bitter, crystalline, polycyclic acid, C25H30O7, isolated from the lichen Pertusaria amara.
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the world > matter > chemistry > organic chemistry > acids obtained from lichens > [noun] > named
picrolichenin1835
parellic acid1850
stictic acid1868
patellaric acid1872
polyporic acid1877
vulpic acid1886
picrolichenic acid1902
1902 Jrnl. Chem. Soc. 82 i. 465 The name picrolichenic acid is suggested for picrolichenin.
1959 New Biol. 29 86 Picrolichenic acid..is a previously undescribed type of lichen acid in which the ring structures in the molecule are joined by a direct carbon to carbon link rather than by an oxygen atom as is the case in depsidones.
1991 Austral. Jrnl. Chem. 44 1487 New depsones, subpicrolichenic acid and superpicrolichenic acid have been shown to co-occur with picrolichenic acid.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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adj.1902
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