different between crunch vs uncrunch

English

Etymology

From earlier craunch, cranch, of imitative origin.

Pronunciation

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

Verb

crunch (third-person singular simple present crunches, present participle crunching, simple past and past participle crunched)

1. To crush something, especially food, with a noisy crackling sound.
   • 1816, Lord Byron, The Siege of Corinth:

     And their white tusks crunch'd o'er the whiter skull,

2. To be crushed with a noisy crackling sound.

3. (slang) To calculate or otherwise process (e.g. to crunch numbers: to perform mathematical calculations). Presumably from the sound made by mechanical calculators.

4. To grind or press with violence and noise.
5. To emit a grinding or crunching noise.
   • 1849, Henry James, Confidence

     There were sounds in the air above his head – sounds of the crunching and rattling of the loose, smooth stones as his neighbors moved about […]

6. (computing, transitive) To compress (data) using a particular algorithm, so that it can be restored by decrunching.
   • 1993, "Michael Barsoom", [comp.sys.amiga.announce] PackIt Announcement (on newsgroup comp.archives)

     PackIt will not crunch executables, unless told to do so.

7. (software engineering, slang, transitive) To make employees work overtime in order to meet a deadline in the development of a project.

Derived terms

• cruncher

Translations

Noun

crunch (plural crunches)

1. A noisy crackling sound; the sound usually associated with crunching.
2. A critical moment or event.
   • 1985, John C. L. Gibson, Job (page 237)

     The friends, on the contrary, argue that Job does not "know", that only God knows; yet, when it comes to the crunch, they themselves seem to know as much as God knows: for example, that Job is a guilty sinner.

3. A problem that leads to a crisis.
4. (exercise) A form of abdominal exercise, based on a sit-up but in which the lower back remains in contact with the floor.
5. (software engineering, slang) The overtime work required to catch up and finish a project, usually in the final weeks of development before release.
6. A dessert consisting of a crunchy topping with fruit underneath.

   Synonyms: crisp, crumble

7. (cooking, generally in the plural) A small piece created by crushing; a piece of material with a friable or crunchy texture.
8. (India, slang) A shortage.

Coordinate terms

• (abdominal exercise): sit-up, trunk curl

Derived terms

• credit crunch
• crunch time
• crunchy
• reverse crunch
• scrunch

Translations

Spanish

Noun

crunch m (plural crunches)

1. crunch (exercise)

English

Etymology

un- +? crunch

Verb

uncrunch (third-person singular simple present uncrunches, present participle uncrunching, simple past and past participle uncrunched)

1. (computing, transitive) To decompress.
   • 1986, Compute: Volume 8

     Load (but do not run) the BASIC program you want to uncrunch.

   • 1989, "Ranjit Bhatnagar", Saving Disk Space (was Re: Relying on ARP) (on newsgroup comp.sys.amiga)

     Thus when you invoke the crunched version of emacs, for instance, it actually loads the uncruncher, which then loads and uncrunches the rest of emacs.

   • 2002, "Mark Blunden", Temple District (on newsgroup alt.games.baldurs-gate)

     Presumably, having uncrunched the data from the compressed archive, it's faster to reload the uncrunched version if it's needed again.

Usage notes

• Associated with the Commodore Amiga computer.