C4

See also: c4, C-4, and C₄

Translingual

The relative size of C4 paper.

Etymology

Specified in ISO 269.

Symbol

C4

1. (international standards) ISO 269 standard paper size of 229 mm × 324 mm (9.02 in × 12.76 in), with a surface area of 742 cm² (115 sq in).

See also

ISO 216/269 paper sizes

A series: 4A0 2A0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 B series: B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 C series: C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10

Noun

C4

1. (military) A plastic explosive; see C-4 (explosive).
   • 2011, “Crew Love”, in Take Care (in English), performed by Drake ft. The Weeknd:

     It's 'cause we blowing like a C4 / Got my whole crew blowin' like a C4

2. (sports) A class of canoeing.
3. (medicine) Cervical vertebra 4.
4. (biology) C4 carbon cycle.

English

Proper noun

C4

1. (British) Abbreviation of Channel 4 (“the British television channel”).

Dutch

Etymology

Short for C4-formulier, C4-document or C4-werkloosheidsbewijs. From the Belgian administrative form "C4".

Noun

C4 n (uncountable)

1. (Belgium) a document provided by the ex-employer proving dismissal so that the unemployed person can apply for unemployment benefits
2. (by extension) (Belgium) dismissal (especially in semi-set phrases such as "C4 krijgen" and "C4 geven")

   Synonym: ontslag

French

Etymology 1

Noun

C4 f (plural C4)

1. Citroën C4

   Hypernym: Citroën

Etymology 2

• (UEFA Intertoto Cup): From Coupe 4 (“Cup 4”), because was the four more important football competition in Europe, at the time of its creation.
• (UEFA Europa Conference League): Because the UEFA Champions League is called "C1" and the UEFA Europa League is called "C3" (it retains the name of "C3" despite the disappearance of the UEFA Cup Winners' Cup which was called "C2") and the UEFA Europa Conference League is the third competition most important in Europe.

Proper noun

C4 f

1. the defunct UEFA Intertoto Cup (1961-2008)
2. the UEFA Europa Conference League (2021-)

Synonyms

• Ligue Europa

Related terms

• C1
• C2
• C3