tractrix
/ˈtraktrɪks
/noun (plural tractrices /ˈtraktrɪsiːz/) Geometry
1A curve whose tangents all intercept the x-axis at the same distance from the point of contact, being the involute of a catenary.Among the properties of the tractrix are the fact that the length of a tangent from its point of contact to an asymptote is constant.
1.1One of a class of curves similarly traced by one end of a rigid rod, whose other end moves along a fixed line or curve.The tractrix is sometimes called a tractory or equitangential curve....
- The concrete realisation uses the pseudosphere, a surface generated by the revolution of a tractrix about its asymptote.
- The model was obtained on the surface of revolution of a tractrix about its asymptote.
Origin
Early 18th century: modern Latin, feminine of late Latin tractor 'that which pulls' (see tractor).
- full term
- full-throated
- full-time
- full time
- full-timer
- full-toned
- full to overflowing
- full toss
- full to the brim
- full up to dolly's wax
- fully
- -fully
- fully fashioned
- fully fledged
- fulmar
- fulminant
- fulminate
- fulminate of mercury
- fulmination
- fulminator
- fulminic acid
- fulness
- fulsome
- fulsomely
- fulsomeness