0 definition

0.
noun
1
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The origin, starting point, or fixed reference point, especially for a measurement.

The 0 for the Celsius scale is 273.15 Kelvin.

noun
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(electrical engineering) The off or low bit state.

If the NOT gate input is 1, the output is 0.

noun
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0
(aviation) Zero-zero, a term meaning no ceiling and no visibility.
adjective
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0
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Other Word Forms

Noun

Singular:
0
Plural:
0s