evolvent

渐开线, 切展线

发音

US

词形变化

evolvents 复数 evolvents

释义与例句

n.
  1. 1.

    The involute of a curve.

    数学

词源

Latin ēvolvēns, ēvolventis (“unrolling”), present participle of ēvolvō (“to unroll”).

来源：wiktionary