evolute

noun
evo·​lute | \ ˈe-və-ˌlüt How to pronounce evolute (audio) also ˈē-və- \

Definition of evolute

: the locus of the center of curvature or the envelope of the normals of a curve

First Known Use of evolute

1704, in the meaning defined above

History and Etymology for evolute

borrowed from New Latin ēvolūta (short for līnea ēvolūta, literally, "unrolled line"), noun derivative from feminine of Latin ēvolūtus, past participle of ēvolvere "to roll out or away, unwind, unroll" — more at evolve

Note: The New Latin term was introduced by Christian huygens in Horologium oscillatorium (Paris, 1673), p. 60.

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Time Traveler for evolute

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The first known use of evolute was in 1704

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Cite this Entry

“Evolute.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/evolute. Accessed 18 Aug. 2022.

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