different between convolution vs coil

English

Etymology

Borrowed from Latin convolutus (“to roll together”), past participle of convolvere, from con- + volvere (“to roll”), with the suffix -tion. Equivalent to convolute +? -ion.

Pronunciation

• Rhymes: -u???n

Noun

convolution (countable and uncountable, plural convolutions)

1. A twist or fold.
2. Any of the folds on the surface of the brain.
3. The shape of something rotating; a vortex.
4. State or condition of being convoluted.
5. (mathematics) A form of moving average.
6. (computing) A function which maps a tuple of sequences into a sequence of tuples.
7. One 360° turn in a spring or similar helix. A keyring contains 2 convolutions.

Related terms

• convolve
• convolute
• convoluted

Translations

Further reading

• convolution in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• convolution in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

French

Etymology

Formed from Latin convolutus, with the suffix -tion.

Pronunciation

Noun

convolution f (plural convolutions)

1. convolution

Further reading

• “convolution” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

English

Pronunciation

• (UK, US) IPA^(key): /k??l/
• Rhymes: -??l

Etymology 1

From Middle French coillir (“to gather, pluck, pick, cull”) (French: cueillir), from Latin colligo (“to gather together”), past participle collectus, from com- (“together”) + lego (“to gather”); compare legend. Doublet of cull.

Noun

coil (plural coils)

1. Something wound in the form of a helix or spiral.

   • The wild grapevines that twisted their coils or tendrils from tree to tree.

2. Any intrauterine device (Abbreviation: IUD)—the first IUDs were coil-shaped.
3. (electrical) A coil of electrically conductive wire through which electricity can flow.

   Synonym: inductor

4. (figuratively) Entanglement; perplexity.

Derived terms

Descendants

• ? Japanese: ??? (koiru)

Translations

Verb

coil (third-person singular simple present coils, present participle coiling, simple past and past participle coiled)

1. To wind or reel e.g. a wire or rope into regular rings, often around a centerpiece.

2. To wind into loops (roughly) around a common center.

3. To wind cylindrically or spirally.

4. (obsolete, rare) To encircle and hold with, or as if with, coils.
   • a. 1757, Thomas Edwards, sonnet to Mr. Nathanael Mason

     Pleasure coil thee in her dangerous snare

Translations

Etymology 2

Origin unknown.

Noun

coil (plural coils)

1. (now obsolete except in phrases) A noise, tumult, bustle, or turmoil.
   • a. 1738, Thomas Urquhart, Peter Anthony Motteux, and John Ozell (translators), François Rabelais, Gargantua and Pantagruel

     And when he saw that all the dogs were flocking about her, yarring at the retardment of their access to her, and every way keeping such a coil with her as they are wont to do about a proud or salt bitch, he forthwith departed […]

   • 1594, William Shakespeare, Titus Andronicus, Act III:

     If the windes rage, doth not the Sea wax mad, / Threatning the welkin with his big-swolne face? / And wilt thou haue a reason for this coile?

   • 1624, John Smith, Generall Historie, in Kupperman 1988, p. 162:

     this great Savage desired also to see him. A great coyle there was to set him forward.

Derived terms

• mortal coil

Translations

Further reading

• coil in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• coil in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

Anagrams

• Clio, coli, loci

Irish

Pronunciation

• IPA^(key): [k?l?]

Noun 1

coil m

1. vocative/genitive singular of col (“prohibition; sin, lust; violation; dislike; incest; relation, relationship”)

Noun 2

coil m

1. inflection of col (“col”):
   1. vocative/genitive singular
   2. nominative/dative plural

Mutation