directrix
di·rec·trix
directrix · directrixes · directrices
A line used to define a curve or surfaceA 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.
/dɪˈɹɛk.tɹɪks/
Meaning
1 sensesA 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.
Translations
3 languagesOrigin
Learned borrowing from Latin dīrēctrīx. By surface analysis, direct + -trix.Learned borrowing from Latin dīrēctrīx. By surface analysis, direct + -trix.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: directrixes / directricesWord family
1 related wordsDerivedgraph directrix