| 释义 |
trac·trix
\ˈtraktriks\ noun
(plural tractri·ces \trakˈtrī(ˌ)sēz\)
Etymology: New Latin, from Latin tractus (past participle of trahere to draw) + -trix — more at draw
: a curve in which the part of the tangent between the point of tangency and a given straight line is constant and which is an involute of a catenary |