oscinen.2
/ˈɒsiːn/, U.S. /ˈɑˌsin/ Chemistry.
A tropane alkaloid, C8H13NO2, which is an isomer of scopine and a degradation product of hyoscine. Now usually called scopoline.
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1892 Jrnl. Chem. Soc. 62 1498 The author proposes that Ladenburg's pseudotropine or hydroxytropine should be called oscine; the composition of oscine is C8H13NO2, not C8H15NO.
1938 L. Small in H. Gilman Org. Chem. II. xii. 1051 The latter [sc. scopine] undergoes rearrangement with great ease into scopoline (oscine), which is the basic product obtained when scopolamine is hydrolyzed in the usual way.
1955 Jrnl. Chem. Soc. 3506 Oscine..and noroscine..were chosen as models for further ‘direct’ and ‘reverse’ quaternisation experiments.
1968 I. L. Finar Org. Chem. (ed. 4) II. xiv. 640 More vigorous hydrolysis of hyoscine with acids or alkalis produces oscine (scopoline), which is formed by the isomerisation of scopine.
This is a new entry (OED Third Edition, September 2004; most recently modified version published online March 2022).
oscineadj.n.1
/ˈɒsʌɪn/, /ˈɒsɪn/, U.S. /ˈɑˌsin/ Ornithology.
A. adj.
Of or relating to the suborder Oscines of songbirds, distinguished by having the muscles of the syrinx attached to the bronchial sub-rings. See oscines n. 2.
ΘΚΠ
the world > animals > birds > order Passeriformes (singing) > [adjective] > of the oscines or song-birds
clamatorial1872
oscine1872
oscinine1882
oscinian1885
1872 E. Coues Key to N. Amer. Birds 109 They are at once distinguished from these clamatorial birds by the oscine character of the tarsi.
1883 Nation (N.Y.) 29 Mar. 281/2 Boot..is used to denote the continuous front sheath of the tarsus of most oscine or singing birds, like the robin.
1944 H. W. Horwill Dict. Mod. Amer. Usage (ed. 2) at Cardinal Its scientific name is Cardinalis virginianus, and it is described as an oscine passerine bird of the family Fringillidae.
1989 Encycl. Brit. XV. 97/1 The possession of the complex oscine syrinx does not guarantee a complex song.
B. n.1
A bird of the suborder Oscines; a songbird.
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the world > animals > birds > order Passeriformes (singing) > [noun] > miscellaneous groups or types
Strasbourg finch1783
oscines1853
New Zealand robin1855
lark bunting1858
boat-billed flycatcher1869
oscine1883
bush robin1901
antpitta1911
boatbill1930
parson bird1945
1883 Atlantic Monthly Apr. 527/2 We have one bird who, though he is ranked with the oscines, passes his life in almost unbroken silence. Of course I refer to the waxwing, or cedar-bird.
1959 J. Van Tyne & A. J. Berger Fund. Ornithol. ii Most species have the hinder part of the tarsus sharp-angled and are called ‘acutiplantar oscines’.
1989 Encycl. Brit. XV. 100/2 Palaeospiza, a primitive oscine classified as a separate family (Palaeospizidae) between the larks and the swallows, is known only from the Colorado Oligocene Epoch.
This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).
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n.21892adj.n.11872