involute
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English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Involute_%28PSF%29.png/220px-Involute_%28PSF%29.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/8/87/Evolvente-parabel.svg/220px-Evolvente-parabel.svg.png)
Alternative forms
[edit]Etymology
[edit]Borrowed from Latin involutus.
Adjective
[edit]involute (comparative more involute, superlative most involute)
- (formal) Difficult to understand; complicated.
- 1986, John le Carré, A Perfect Spy:
- These vulgar, pleasure-seeking people, so frank and clamorous, were too uninhibited for his shielded and involuted life.
- (botany) Having the edges rolled with the adaxial side outward.
- 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 7:
- Furthermore, the free anterior margin of the lobule is arched toward the lobe and is often involute […]
- (biology, of shells) Having a complex pattern of coils in which younger whorls only partly surround older ones.
- (biology) Turned inward at the margin, like the exterior lip of the shells of species in genus Cypraea.
- (biology) Rolled inward spirally.
Verb
[edit]involute (third-person singular simple present involutes, present participle involuting, simple past and past participle involuted)
Noun
[edit]involute (plural involutes)
- (geometry) A curve that cuts all tangents of another curve at right angles; traced by a point on a string that unwinds from a curved object.
Translations
[edit]a curve that cuts all tangents of another curve at right angles; traced by a point on a string that unwinds from a curved object
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See also
[edit]References
[edit]- “involute”, in OneLook Dictionary Search.
- “involute”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
Italian
[edit]Adjective
[edit]involute
Latin
[edit]Participle
[edit]involūte
References
[edit]- “involute”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- involute in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
Categories:
- English terms borrowed from Latin
- English terms derived from Latin
- English lemmas
- English adjectives
- English formal terms
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- en:Biology
- English verbs
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- en:Geometry
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- Italian non-lemma forms
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