different between convolution vs loophole

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

Etymology

From Middle English loupe (“opening in a wall”) +? hole, from a Germanic source. Compare Medieval Latin loupa, lobia and Middle Dutch lupen (“to watch”).

Pronunciation

• (Received Pronunciation) IPA^(key): /?lu?ph??l/
• (General American) IPA^(key): /?lupho?l/
• Hyphenation: loop?hole

Noun

loophole (plural loopholes)

1. (historical) A slit in a castle wall; today, any similar window for shooting a ranged weapon or letting in light.
   • 1719, Daniel Defoe, Robinson Crusoe:

     ... and having a fair loophole, as it were, from a broken hole in the tree, he took a sure aim, without being seen, waiting till they were within about thirty yards of the tree, so that he could not miss.

   • 1809, Maria Edgeworth, The Absentee:

     There was a loophole in this wall, to let the light in, just at the height of a person's head, who was sitting near the chimney.
2. (figuratively) A method of escape, especially an ambiguity or exception in a rule or law that can be exploited in order to avoid its effect.

Derived terms

• lo mein loophole

Translations

Verb

loophole (third-person singular simple present loopholes, present participle loopholing, simple past and past participle loopholed)

1. (military, transitive) To prepare a building for defense by preparing slits or holes through which to fire on attackers
2. (transitive) To exploit (a law, etc.) by means of loopholes.
   • 2005, Deborah Rhode, David Luban, Legal Ethics Stories

     De-moralizing the subject can be, quite simply, demoralizing, as stirring statements of ideals turn into persnickety rules with exceptions crying out to be loopholed.

Further reading

• loophole on Wikipedia.Wikipedia
• loophole (firearm) on Wikipedia.Wikipedia

References