C is a slang for cocaine

Cuba's international licence plate code

Prince Edward Island's postal code prefix

C (grade), a satisfactory grade in education

Vitamin C

c, the speed of light

ℂ or <math>\mathbb{C}</math>, the set of all complex numbers

<math>c</math> (lowercase), symbol for specific heat capacity

c, the speed of sound

Citigroup's NYSE ticker symbol

A series of paper sizes

C (digit), a hexadecimal digit

Constant value within an equation

°C, degrees Celsius

C battery

C (programming language), invented at Bell Labs in 1972

Type-C stars

Ⅽ, the Roman numeral for 100

C, the abbreviation for the orchid genus Cattleya

Cⁿ and C^∞, smooth functions

The circumference is the distance around a closed curve. Circumference is a kind of...

Arbitrary constant of integration

Haplogroup C (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup

A brassiere cup size

ℭ or <math>\mathfrak c</math>, the cardinality of the continuum

Cup (unit), a unit of volume

¢, cent

NZR C class (1873) train

NZR C class (1930) train

0-6-0 or C in UIC classification, a type of locomotive with three powered axles

Carat (purity)

<math>C</math> (uppercase), symbol for heat capacity

Coulomb, the SI derived unit for electric charge

Mansfield Smith-Cumming or C, Chief of the SIS, the UK Secret Intelligence Service also known as MI6

In combinatorial mathematics, a combination is an un-ordered collection of unique sizes. (An ordered collection is called a permutation.) Given S, the set of all possible unique elements, a combination is a subset of the elements of S. The order of the...

C-clamp, a type of fastener

C band, radio frequency band from 4 GHz to 6 GHz

C (S-train), Copenhagen

Centi-, an SI prefix

C (musical note)

C. or circa, an approximate date or other value

©, copyright

C (magazine), a defunct Finnish computer magazine

C battery (vacuum tubes)

Control-C, a keyboard control code

Haplogroup C (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup

C (New York City Subway service)

C is the third letter in the Latin alphabet. C may also refer to:

C1 to C7, cervical vertebrae

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