directrix

Syllables: di·rec·trixUK/dɪˈɹɛk.tɹɪks//dɪˈɹɛk.tɹɪks/

directrix noun: 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. Also the female equivalent of director.

Image: Public domain, via Wikimedia Commons

Noun

directrix (plural directrixes or directrices)

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.

Also used as

directrix is also the female equivalent of director.

directrix meaning in Tamil

directrix in Tamil

a line used to define a curve or surface: இயக்குவரை iyakkuvarai

Forms of directrix

plural	directrixes
plural	directrices
alternative form	directrice

Origin of directrix

Learned borrowing from Latin dīrēctrīx. By surface analysis, direct + -trix.

Words formed from directrix

Words that rhyme with directrix

inspectrix

Questions about directrix

What does directrix mean?: Directrix means 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.
What is directrix in Tamil?: Directrix in Tamil is இயக்குவரை (iyakkuvarai). See Directrix meaning in Tamil.
What part of speech is directrix?: Directrix is a noun.
How do you pronounce directrix?: Directrix is pronounced /dɪˈɹɛk.tɹɪks/ (UK).
What is the plural of directrix?: The plural of directrix is directrixes.

Words near directrix in the dictionary

Adapted from Wiktionary: directrix (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-directrix.wav.

Cite this entry: “directrix.” Word.ws, https://word.ws/directrix. Based on Wiktionary, CC BY-SA 4.0.