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torus · Learn English

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torus

Wiktionary 原文

/ˈtɔː.rəs//toʊ̯rəs/

n.: 花托，隆凸，环面

中文释义来自 ECDICT

词源链

拉丁语Latin约前 75–公元 3 世纪
torus‘a round, swelling, elevation, protuberance’
借入
英语English
torus

词源说明

Borrowed from Latin torus (“a round, swelling, elevation, protuberance”).

释义

名词noun

1(geometry) The standard representation of such a space in 3-dimensional Euclidean space: a surface or solid formed by rotating a closed curve, especially a circle

, about a

which lies in the same

but does not

it (e.g. like a

).

2(architecture) A large convex molding, typically semicircular in cross section, which commonly projects at the base of a column and above the plinth.

3(anatomy) A rounded ridge of bone or muscle, especially one on the occipital bone.

4(botany) The end of the peduncle or flower stalk to which the floral parts (or in the Asteraceae, the florets of a flower head) are attached.

5(botany) The thickening of a membrane closing a wood-cell pit (as of gymnosperm tracheids) having the secondary cell wall arched over the pit cavity.

同族词

派生词 9

de Bruijn torus
toric
toroid
hypertorus
supertorus
subtorus
nanotorus
polytorus
keratotorus

相关词 1

torus tubarius