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单词 resino-extractive
释义

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resino-extractive
resino-extractive adj. and n.
Brit. /ˌrɛzᵻnəʊᵻkˈstraktɪv/
,
/ˌrɛzᵻnəʊɛkˈstraktɪv/
,
/ˌrɛzn̩əʊᵻkˈstraktɪv/
,
/ˌrɛzn̩əʊɛkˈstraktɪv/
,
U.S. /ˌrɛzənoʊɪkˈstræktɪv/
,
/ˌrɛzənoʊˌɛkˈstræktɪv/
[after French résino-extractif (a1780 as noun (in an unpublished manuscript of notes on the lectures of G. F. Rouelle: compare quot. 1790), a1791 or earlier as adjective)] now historical (a) adj. composed of resinous matter and a smaller amount of extractive matter (cf. extractive adj. 3); (b) n. a substance of this kind (rare).
ΚΠ
1790 R. Kerr tr. A. Lavoisier Elements Chem. i. xi. 118 We might indicate which of their elements existed in excess..after the manner of Mr Rouelle for naming vegetable extracts: He calls these extracto-resinous [Fr. extracto-résineux] when the extractive matter prevails.., and resino-extractive [Fr. résino-extractif] when they contain a larger proportion of resinous matter.
1803 Philos. Mag. 15 233 It is certain that the juice of St. John's wort is a resino-extractive substance.
1909 F. J. S. Gorgas Dental Med. (ed. 8) 84 Drastics generally belong to the resino-extractive substances, and act violently.
1909 Trans. Kansas Acad. Sci. 1908–9 22 96 In the case of ginger we have a volatile oil..which imparts the odor and flavor of the drug, and a non-volatile resino-extractive to which the pungency is due.
2005 Stud. Hist. & Philos. Sci. 36 271 Rouelle's distinction between resino-extractive and extracto-resinous substances relied on differences of solubility in water and alcohol.
extracted from resino-comb. form
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