involute
adjective, verb, noun
Forms involutes involuting involuted
- adjective (formal) Difficult to understand; complicated.
- adjective (botany) Having the edges rolled with the adaxial side outward.
- adjective (biology, of shells) Having a complex pattern of coils in which younger whorls only partly surround older ones.
- adjective (biology) Turned inward at the margin, like the exterior lip of the shells of species in genus Cypraea.
- adjective (biology) Rolled inward spirally.
- verb To roll or curl inwards.
- noun (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.
Synonyms
Etymology
Borrowed from Latin involutus.
Webster’s 1913
- adjective Rolled inward from the edges; --said of leaves in vernation, or of the petals of flowers in æstivation. Gray.
- adjective (a) Turned inward at the margin, as the exterior lip of the Cyprea.
- noun A curve traced by the end of a string wound upon another curve, or unwound from it; --called also evolvent. See Evolute.
Etymology [L. involutus, p. p. of involvere. See Involve.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “involute”, CC BY-SA 4.0. Details