0O (zero O) or 0-O may refer to:
- 0o, 0_o, and 0.o, a kaomoji emoticon that may refer to shocked, disturbed, or confused.
- 0-O, abbreviation for 0-operand instruction set
- 0o, or zero object, a mathematics term for a simultaneously initial and terminal object
- 0O, also ZO, an abbreviation for zero order
- Zero-order hold, model of the practical signal reconstruction done by a conventional digital-to-analog converter
- Zero order process (chemistry), a chemical reaction in which the rate of change of concentration is independent of the concentrations
- Zeroth-order logic, first-order logic without quantifiers
- Zero-order process (statistics), a sequence of random variables, each independent of the previous ones
- Zeroth-order approximation, an approximation of a function by a constant
- 0o, a prefix used in some programming languages to denote octal (base 8) integer literals
See also
Topics referred to by the same termThis disambiguation page lists articles associated with the same title formed as a letter–number combination.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: