Tschirnhausen cubic
Tschirnhausen cubic noun: a plane curve defined, in its left-opening form, by the polar equation r=a sec ³(θ/3) where sec is the secant function.

Noun
Tschirnhausen cubic (plural Tschirnhausen cubics)
- A plane curve defined, in its left-opening form, by the polar equation r=a sec ³(θ/3) where sec is the secant function.
Forms of Tschirnhausen cubic
| plural | Tschirnhausen cubics |
|---|---|
| alternative form | Tschirnhaus' cubic |
Origin of Tschirnhausen cubic
Named after Ehrenfried Walther von Tschirnhaus (1651–1708), German mathematician, physicist, physician, and philosopher. The name was first used in a 1900 paper by R. C. Archibald.
Questions about Tschirnhausen cubic
- What does Tschirnhausen cubic mean?
- Tschirnhausen cubic means a plane curve defined, in its left-opening form, by the polar equation r=a sec ³(θ/3) where sec is the secant function.
- What part of speech is Tschirnhausen cubic?
- Tschirnhausen cubic is a noun.
- What is the plural of Tschirnhausen cubic?
- The plural of Tschirnhausen cubic is Tschirnhausen cubics.
Words near Tschirnhausen cubic in the dictionary
Source and license
Adapted from Wiktionary: Tschirnhausen cubic (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.
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Cite this entry: “Tschirnhausen cubic.” Word.ws, https://word.ws/tschirnhausen_cubic. Based on Wiktionary, CC BY-SA 4.0.
