"Evolute" is a word in ENGLISH

evolute ENGLISH
Definition:

A curve from which another curve, called the involute or
evolvent, is described by the end of a thread gradually wound upon the
former, or unwound from it. See Involute. It is the locus of the
centers of all the circles which are osculatory to the given curve or
evolvent.

Few words of positivity

An inventor is a man who asks 'Why?' of the universe and lets nothing stand between the answer and his mind.

Ayn Rand

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Laugh your heart out.

What do you call a snake who works for the governement ? A civil serpent !

evolvent ENGLISH

The involute of a curve. See Involute, and Evolute.

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involute ENGLISH

A curve traced by the end of a string wound upon another curve, or unwound from it; -- called also …

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