directrix
From WikiWord, the free dictionary
English
Definitions
noun
- A female who directs; a directress.
- A line used to define a curve or surface; especially a line, the distance from which a point on a conic has a constant ratio to that from the focus.
Related words
Synonyms
directricedirectoressdriveressdictatoressdominatrixdraperessdoctrixdockmistressdentistressductdominitrixdisseizoressdraywomandoctressdirigeducture