英语词汇“radius of curvature”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词

radius of curvature

释义

radius /rāˈdi-əs/

noun (pl radii /rāˈdi-ī/ or raˈdiuses)

A straight line from the centre to the circumference of a circle or surface of a sphere (geometry)
A radiating line
Anything placed like a radius, such as the spoke of a wheel, the movable arm of a sextant, etc
A radial plane of symmetry in a coelenterate
A line from a fixed point (eg the focus of a conic) to a point on a curve
The outer bone (in supine position) of the forearm in humans, or its equivalent in other animals
A barbule of a feather
The third vein of an insect's wing
A ray-flower or the ray-flowers of a head collectively (rare)
A distance from a centre, conceived as limiting an area or range

ORIGIN: L radius a rod, spoke, ray

raˈdial adjective see separate entry

radius of curvature noun (geometry)

Of any curve, the radius of the circle which can be superimposed on it on the concave side

radius vector noun (pl radii vectōˈres /-rēz/)

A straight line joining a fixed point and a variable point

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