Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • initialism An international paper size (229mm x 324 mm)
  • initialism military A military plastic explosive; see C-4 (explosive)
  • initialism sports A class of canoeing in sport
  • initialism medicine cervical vertebra 4
  • initialism biology C4 carbon cycle
  • proper noun UK Abbreviation of Channel 4 (“the British television channel”).

Etymologies

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Examples

  • "They called C4, which is Mexico's emergency dispatch system and advised them that they had been lost for two days, were stranded, dehydrated, and were going to light a signal fire to attempt to get some help," said Cal Fire spokesperson Roxanne Provaznik.

    Knowledge is Power 2010

  • Popular indie Apple developer conference -- Chicago-based "C4" -- canceled because organizer is sick of Apple's close ...

    Megite Technology News: What's Happening Right Now ,Jim Dalrymple 2010

  • Popular indie Apple developer conference -- Chicago-based "C4" -- canceled $AAPL - full reversal on $GS right after they took my stop out?

    Stock Market Analysis at DeepMarket 2010

  • Goodwill is also working with the Aspen Institute and others on the Community College/Career Collaboration - also known as the C4 project.

    Jim Gibbons: Goodwill Supports Investing In An Education Jim Gibbons 2010

  • Goodwill is also working with the Aspen Institute and others on the Community College/Career Collaboration - also known as the C4 project.

    Jim Gibbons: Goodwill Supports Investing In An Education Jim Gibbons 2010

  • Goodwill is also working with the Aspen Institute and others on the Community College/Career Collaboration - also known as the C4 project.

    Jim Gibbons: Goodwill Supports Investing In An Education Jim Gibbons 2010

  • Plants employing this so-called C4 pathway use carbon dioxide more efficiently than those with the normal (C3 or Calvin cycle) photosynthesis.

    4 Questions and Answers 1993

  • However, grasses have repeatedly evolved a variation - known as C4 photosynthesis - that uses less water, and is thus a particular advantage in hot, dry places, or when carbon dioxide levels are low.

    NYT > Home Page By OLIVIA JUDSON 2010

  • The designers of the high rise, known as C4, hope to turn the back door of Sydney into the front step.

    NEWS.com.au | Top Stories 2010

  • She has a rare genetic disease called C4 Complement Deficiency, that involves the immune system having "inadequate levels of complement proteins," which leaves the body more prone to infections.

    Center for American Progress Action Fund 2010

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