[adjective, noun in-vuh-loot; verb in-vuh-loot, in-vuh-loot]
- intricate; complex.
- curled or curved inward or spirally.
- Botany. rolled inward from the edge, as a leaf.
- Zoology. (of shells) having the whorls closely wound.
- Geometry. any curve of which a given curve is the evolute.
- to roll or curl up; become involute.
- to return to a normal shape, size, or state.
Origin of involute
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for involute
But the involute edges of the pileus are bearded with close hairs.Mushroom Culture
Involute: ridgeless, with flanking lines, but no keel; soft and rather thick.Grasses
H. Marshall Ward
Involute, in vernation, 72; rolled inwards from the edges, 97.The Elements of Botany
The margin of the cap is smooth and turned under at first (involute).Among the Mushrooms
Ellen M. Dallas and Caroline A. Burgin
The body is ornamented with carelessly drawn, deeply incised, involute designs.Ancient Pottery of the Mississippi Valley
William H. Holmes
- complex, intricate, or involved
- botany (esp of petals, leaves, etc, in bud) having margins that are rolled inwards
- (of certain shells) closely coiled so that the axis is obscured
- geometry the curve described by the free end of a thread as it is wound around another curve, the evolute, such that its normals are tangential to the evoluteSee also evolute
- (intr) to become involute
C17: from Latin involūtus, from involvere; see involve
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for involute
early 15c., from Latin involutus "rolled up, intricate, obscure," past participle of involvere (see involve).
Online Etymology Dictionary, © 2010 Douglas Harper