involute

1 of 3

adjective

in·​vo·​lute ˈin-və-ˌlüt How to pronounce involute (audio)
1
a
: curled spirally
b(1)
: curled or curved inward
(2)
: having the edges rolled over the upper surface toward the midrib
an involute leaf
c
: having the form of an involute
a gear with involute teeth
2

involute

2 of 3

noun

: a curve traced by a point on a thread kept taut as it is unwound from another curve
involute of a circle

Illustration of involute

Illustration of involute
  • involute a p p p p traced by any point p of the thread t unwinding from curve c

involute

3 of 3

verb

in·​vo·​lute ˌin-və-ˈlüt How to pronounce involute (audio)
involuted; involuting

intransitive verb

1
: to become involute
2
a
: to return to a former condition
b
: to become cleared up : disappear

Examples of involute in a Sentence

Adjective the novel's deliberately involute plot is intended as a brainteaser for readers the chambered nautilus is readily identified by its involute seashell

Word History

Etymology

Adjective

borrowed from Latin involūtus "not manifest, obscure, concealed," from past participle of involvere "to move by rolling, enclose in a covering, wrap up, cover" — more at involve

Noun

borrowed from New Latin involūta, literally "(line) rolled inward," noun derivative from feminine of Latin involūtus, past participle of involvere "to move by rolling, enclose in a covering, wrap up, cover"; formed by analogy with New Latin ēvolūta evolute — more at involve

Verb

derivative of involute entry 1

First Known Use

Adjective

1661, in the meaning defined at sense 1a

Noun

circa 1796, in the meaning defined above

Verb

1816, in the meaning defined at sense 1

Time Traveler
The first known use of involute was in 1661

Dictionary Entries Near involute

Cite this Entry

“Involute.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/involute. Accessed 23 Feb. 2024.

Medical Definition

involute

intransitive verb
in·​vo·​lute ˌin-və-ˈlüt How to pronounce involute (audio)
involuted; involuting
1
: to return to a former condition
after pregnancy the uterus involutes
2
: to become cleared up
the disease involutes without desquammationAnnals of New York Academy of Sciences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!