That which has a distinct existence as an individual unit. Often used for organisations which have no physical form.
Anything about which information or data can be stored in a database; in particular, an organised array or set of individual elements or parts.
The state or quality of being or existence.
An alien lifeform that has no corporeal body.
A spirit, ghost, or the like.
The existence of something considered apart from its properties.
The cardinal number occurring before one and that denotes no quantity or amount at all, represented in Arabic numerals as 0.
To set a measuring instrument to zero; to calibrate an instrument scale to valid zero.
To disappear.
To change a memory location or range to values of zero; to set a variable in a computer program to zero.
To cause or set some value or amount to be zero.
To eliminate; to delete; to overwrite with zeros.
A Mitsubishi A6M Zero, a long range fighter aircraft operated by the Japanese Navy Air Service from 1940 to 1945.
The numeric symbol that represents the cardinal number zero.
A setting of calibrated instruments such as a firearm, corresponding to a zero value.
The value of a magnitude corresponding to the cardinal number zero.
The digit 0 in the decimal, binary, and all other base numbering systems.
The electromagnetic field does not drop all of the way to zero before a reversal.
The point on a scale at which numbering or measurement originates.
Nothing, or none.
A person of little or no importance.
A security which has a zero coupon (paying no periodic interest).
The additive identity element of a monoid or greater algebraic structure, particularly a group or ring.
A value of the independent variables of a function, for which the function is equal to zero.
No, not any.
Of a cloud ceiling, limiting vision to 50 feet (15 meters) or less.
Present at an abstract level, but not realized in the surface form.
Of horizontal visibility, limited to 165 feet (50.3 meters) or less.