involutes

involute

[adj., n. in-vuh-loot; v. in-vuh-loot, in-vuh-loot]
adjective
1.
intricate; complex.
2.
curled or curved inward or spirally.
3.
Botany. rolled inward from the edge, as a leaf.
4.
Zoology. (of shells) having the whorls closely wound.
noun
5.
Geometry. any curve of which a given curve is the evolute.
verb (used without object), involuted, involuting.
6.
to roll or curl up; become involute.
7.
to return to a normal shape, size, or state.

Origin:
1655–65; < Latin involūtus (past participle of involvere to roll up, wrap, cover), equivalent to in- in-2 + volū- (variant stem of volvere to roll) + -tus past participle suffix; cf. involve

involutely, adverb
subinvolute, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
involute
 
adj
1.  complex, intricate, or involved
2.  botany (esp of petals, leaves, etc, in bud) having margins that are rolled inwards
3.  (of certain shells) closely coiled so that the axis is obscured
 
n
4.  geometry See also evolute 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 evolute
 
vb
5.  (intr) to become involute
 
[C17: from Latin involūtus, from involvere; see involve]
 
'involutely
 
adv
 
invo'lutedly
 
adv

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