| 释义 |
oscular, a.|ˈɒskjʊlə(r)|
[f. L. type osculāris (used in mod.L.), f. osculum little mouth, pretty mouth, kiss: see -ar.]
1. Of or belonging to the mouth or to kissing.
oscular muscle (musculus oscularis), the orbicularis oris or sphincter muscle of the lips, the kissing muscle.
1828Blackw. Mag. XXIV. 870 Neither let indignation curl that oscular lip of thine. 1870W. K. Wigram 12 Wonderf. Tales (1883) 196 Who smiled upon all—though she kept a far sweeter Constriction of oscular muscle for Peter. 1891S. Mostyn Curatica 100 They had..lavished such endearments upon Ethel, both verbal and oscular.
2. Zool. Of or pertaining to the osculum of a tape-worm, or of a sponge.
1881P. M. Duncan in Jrnl. Linn. Soc. XV. 320 The oscular processes are short, unequal, differently directed. 1887Sollas in Encycl. Brit. XXII. 420/1 In this sponge..the function of the oscular sphincters can be readily demonstrated.
3. Math. Pertaining to a higher order of contact than the first (cf. osculate 4).
oscular line, a singularity of a surface, consisting of a straight line which lies upon the surface throughout its whole length, and everywhere in the same tangent-plane; the section of the surface by this plane containing this line three times.
1869Cayley Wks. VI. 334 The tangent plane containing the..oscular line may be termed..an oscular tangent plane. |