WIKTIONARY

zero

Numeral

∙ The cardinal number occurring before one and that denotes no quantity or amount at all, represented in Arabic numerals as 0. cardinal

Noun

∙ The numeric symbol that represents the cardinal number zero.
∙ The digit 0 in the decimal, binary, and all other base numbering systems.
∙ Nothing, or none. informal, uncountable
∙ The value of a magnitude corresponding to the cardinal number zero.
∙ The point on a scale at which numbering or measurement originates.
∙ A value of the independent variables of a function, for which the function is equal to zero. mathematics
∙ The additive identity element of a monoid or greater algebraic structure, particularly a group or ring. mathematics, algebra
∙ A person of little or no importance. slang
∙ A Mitsubishi A6M Zero, a long range fighter aircraft operated by the Japanese Navy Air Service from 1940 to 1945. military
∙ A setting of calibrated instruments such as a firearm.
∙ A security which has a zero coupon (paying no periodic interest). finance

Adjective

∙ none informal, used with noun
∙ Of a cloud ceiling, limiting vision to 50 feet (15 meters) or less. meteorology
∙ Of horizontal visibility, limited to 165 feet (50.3 meters) or less. meteorology
∙ Present at an abstract level, but not realized in the data. linguistics

Verb

∙ To set a measuring instrument to zero; to calibrate instrument scale to valid zero. transitive
∙ To change a memory location or range to values of zero; to set a variable in a computer program to zero. transitive, computing
∙ To cause or set some value or amount to be zero. transitive
∙ To eliminate; to delete; to overwrite with zeros. transitive
∙ To disappear intransitive

English Dictionary

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