0C

0C (zero C) or 0-C may refer to:
 * 0 °C, the melting point of ice on the Celsius scale
 * 0C, or zero carbon
 * Zero carbon building
 * Zero carbon city
 * 0 configuration networking, or zero-configuration networking, a set of techniques that automatically creates a usable Internet Protocol (IP) network
 * 0-coupon bond, or Zero-coupon bond, a type of discount bond
 * 0 copula, or Zero copula, a linguistic phenomenon where a subject is joined to a predicate without overt marking of this relationship
 * 0 crossing, or Zero crossing, a point where the sign of a function crosses the zero axis
 * 0 consonant, or Zero consonant, a consonant-like letter that is not pronounced