| 释义 |
▪ I. † ˈstictic, a.1 Obs. rare.
[ad. mod.L. sticticus (Paracelsus), of obscure origin.
A marginal note in Paracelsi Opera (1658) III. i. 20/1—‘Sticticum emplastrum, alias pro punctura, Germ. Ein Stichpflaster’—apparently explains the word as derived from G. stich, a stab, puncture.]
Of a plaster: Serving to close up wounds.
1638A. Read Chirurg. iii. 20 Paracelsus undoubtedly framed his stictick emplaster after this description.
▪ II. stictic, a.2 Chem.|ˈstɪktɪk|
[tr. G. stictinsäure stictic acid (Knop & Schnedermann 1846, in Jrnl. f. prakt. Chemie XXXIX. 367), f. as stictane: see -ic.]
stictic acid: a depsidone, C19H14O9, found in many lichens.
1868Watts Dict. Chem. V. 431 According to Knop and Schneedermann [sic]..the acid of Sticta pulmonacea, which they call stictic acid, is distinct from cetraric acid, though very much like it in composition and properties. 1935Jrnl. Chem. Soc. 1380 We have now made a detailed comparison of the two acids..and found them to be identical in every way. Accordingly, since stictic acid was discovered and names first.., we propose that the name scopuloric acid should be abandoned. 1963New Scientist 14 Mar. 588/1 The lichen synthesises appreciable amounts of the extra-cellular, water-soluble constituents of lichen acids, atranorin and stictic acid. 1979Lichenologist XI. 321 Chemical examination of two similar specimens..showed stictic acid to be present in the squamulose specimens and absent from the others. |