rotenonen.

Brit.

/ˈrəʊtᵻnəʊn/, U.S.

/ˈroʊtnˌoʊn/

Forms: 1900s rotenon, 1900s– rotenone.

Origin: A borrowing from Japanese. Etymon: Japanese rotenon.

Etymology: < Japanese rotenon, (also formerly) rotenōn (K. Nagai 1902, in Jrnl. Tokyo Chem. Soc. 23 753, Romanized as Rotenon , apparently following German spelling conventions) < a Chinese regional (Taiwan: Southern Min) word for derris and similar plants, literally ‘dew-vine’, Romanized by Nagai as Roh-ten ( < lō dew (Mandarin lù ) + tîn cane, rattan, vine (Mandarin téng ); compare Mandarin lùténg , denoting only Millettia taiwaniana) + Japanese -ōn or its etymon German -on -one suffix, after German Keton ketone n.A more common name of the derris in Chinese regional (Taiwan: Southern Min) is (in Nagai's Romanization) Hi-i-ten, literally ‘fish vine’ (compare Mandarin yúténg and its equivalent Japanese gyotō, in the same sense), so called on account of its use to poison fish.

A poisonous compound obtained from the roots of several species of plant (notably derris, cubé, and timbo) and widely employed as a pesticide and piscicide.Rotenone is a pentacyclic ketone. Formula: C₂₃H₂₂O₆.

ΚΠ

1904 Internat. Catal. Sci. Lit. D. 2 700/1 Rotenon..the poisonous principle of ‘roh-ten’.

1925 Chem. Abstr. 19 1708 Further analysis of rotenone, an active insecticidal principle of the root of Derris elliptica Benth.

1937 K. M. Smith Textbk. Plant Virus Dis. ii. 174 The following spray is recommended: ground derris root containing 3-2 per cent of rotenone and 13 per cent of total extractives.

1962 R. M. Gordon & M. M. J. Lavoipierre Entomol. for Students of Med. ix. 57 Fine dusts containing pyrethrum or rotenone are highly successful when employed against various insects such as fleas and lice.

1977 W. H. Lewis & M. P. F. Elvin-Lewis Med. Bot. ii. 45 Tephrosia cinerea, yielding rotenone and the toxic principle tephrosin, is used in Venezuela and Africa as a fish poison.

2008 J. Gillman Truth about Org. Gardening v. 108 My least favorite pesticide is rotenone.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).

rotenonev.

Brit.

/ˈrəʊtᵻnəʊn/, U.S.

/ˈroʊtnˌoʊn/

Origin: Formed within English, by conversion. Etymon: rotenone n.

Etymology: < rotenone n.

U.S.

transitive. To treat (esp. a lake) with rotenone.In quot. 1952 as a verbal noun.

ΚΠ

1952 Jrnl. Wildlife Managem. 16 395/2 Lift #1 was at 3:00 p.m., five hours after rotenoning.

1954 Copeia No. 1. 69/1 The remaining pool of approximately 10 acres was rotenoned by Oklahoma Game and Fish Department personnel.

1975 New Yorker 19 May 46/1 You rotenone a reef, and for the next hour or two you pick the samplings up.

2006 Spokesman Rev. (Spokane, Washington) (Nexis) 29 Sept. (Idaho ed.) c6 Rat Lake..was rotenoned in 2004 and it's just coming into its prime.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).

单词	rotenone
释义	rotenonen. Brit. /ˈrəʊtᵻnəʊn/, U.S. /ˈroʊtnˌoʊn/ Forms: 1900s rotenon, 1900s– rotenone. Origin: A borrowing from Japanese. Etymon: Japanese rotenon. Etymology: < Japanese rotenon, (also formerly) rotenōn (K. Nagai 1902, in Jrnl. Tokyo Chem. Soc. 23 753, Romanized as Rotenon , apparently following German spelling conventions) < a Chinese regional (Taiwan: Southern Min) word for derris and similar plants, literally ‘dew-vine’, Romanized by Nagai as Roh-ten ( < lō dew (Mandarin lù ) + tîn cane, rattan, vine (Mandarin téng ); compare Mandarin lùténg , denoting only Millettia taiwaniana) + Japanese -ōn or its etymon German -on -one suffix, after German Keton ketone n.A more common name of the derris in Chinese regional (Taiwan: Southern Min) is (in Nagai's Romanization) Hi-i-ten, literally ‘fish vine’ (compare Mandarin yúténg and its equivalent Japanese gyotō, in the same sense), so called on account of its use to poison fish. A poisonous compound obtained from the roots of several species of plant (notably derris, cubé, and timbo) and widely employed as a pesticide and piscicide.Rotenone is a pentacyclic ketone. Formula: C₂₃H₂₂O₆. ΚΠ 1904 Internat. Catal. Sci. Lit. D. 2 700/1 Rotenon..the poisonous principle of ‘roh-ten’. 1925 Chem. Abstr. 19 1708 Further analysis of rotenone, an active insecticidal principle of the root of Derris elliptica Benth. 1937 K. M. Smith Textbk. Plant Virus Dis. ii. 174 The following spray is recommended: ground derris root containing 3-2 per cent of rotenone and 13 per cent of total extractives. 1962 R. M. Gordon & M. M. J. Lavoipierre Entomol. for Students of Med. ix. 57 Fine dusts containing pyrethrum or rotenone are highly successful when employed against various insects such as fleas and lice. 1977 W. H. Lewis & M. P. F. Elvin-Lewis Med. Bot. ii. 45 Tephrosia cinerea, yielding rotenone and the toxic principle tephrosin, is used in Venezuela and Africa as a fish poison. 2008 J. Gillman Truth about Org. Gardening v. 108 My least favorite pesticide is rotenone. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). rotenonev. Brit. /ˈrəʊtᵻnəʊn/, U.S. /ˈroʊtnˌoʊn/ Origin: Formed within English, by conversion. Etymon: rotenone n. Etymology: < rotenone n. U.S. transitive. To treat (esp. a lake) with rotenone.In quot. 1952 as a verbal noun. ΚΠ 1952 Jrnl. Wildlife Managem. 16 395/2 Lift #1 was at 3:00 p.m., five hours after rotenoning. 1954 Copeia No. 1. 69/1 The remaining pool of approximately 10 acres was rotenoned by Oklahoma Game and Fish Department personnel. 1975 New Yorker 19 May 46/1 You rotenone a reef, and for the next hour or two you pick the samplings up. 2006 Spokesman Rev. (Spokane, Washington) (Nexis) 29 Sept. (Idaho ed.) c6 Rat Lake..was rotenoned in 2004 and it's just coming into its prime. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). < n.1904v.1952
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