名詞 curvature:

1. (medicine) a curving or bending; often abnormal
2. the rate of change (at a point) of the angle between a curve and a tangent to the curve
3. the property possessed by the curving of a line or surface
   同義詞：curve

1. A deformity of the back in human beings caused by an abnormal convex curvature of the upper spine.
   駝背人類背部的變形，由脊柱上部不正常的彎曲凸起造成

cur.va.ture

n.（名詞）
The act of curving or the state of being curved.
彎曲：彎曲的動作或被彎曲的狀態(tài)
Mathematics
【數(shù)學(xué)】
The ratio of the change in the angle of a tangent that moves over a given arc to the length of the arc.
曲率：切線通過給定弧線的角度變化與弧線長度之間的比率
The limit of this ratio as the length of the arc approaches zero.
曲率極限：當(dāng)弧長趨向于零時該曲率的極限
The reciprocal of the radius of a circle.
曲率：一個圓半徑的倒數(shù)
Medicine A curving or bending, especially an abnormal one:
【醫(yī)學(xué)】 彎，曲：彎曲，尤指反常的彎曲：
例句：
curvature of the spine.
脊椎彎曲

來源：
Middle English
中古英語
from Latin curv3tôra
源自 拉丁語 curv3tôra
from curv3tus [past participle of] curv3re [to bend]
源自 curv3tus [] curv3re的過去分詞 [彎曲]
from curvus [curved] * see sker- 2
源自 curvus [彎曲的] *參見 sker- 2