Reference meaning
C4
Last updated
A 501(c)(4), an organization that conforms to the United States Internal Revenue Code section 501(c)4
Other meanings
2. noun
Designating a type of photosynthesis or carbon fixation, or a plant using such a process.
3. proper noun
Abbreviation of Channel 4 (“the British television channel”).
Source and scope
This definition is reproduced from English Wiktionary, sense en-c4-en-noun-uesDy1mg, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.