zero 

noun (zeroes)
 The numeric symbol that represents the cardinal number zero.
In unary and kadic notation in general, is the empty string.
Write 0.0 to indicate a floating point rather than the integer .
The sign in American Sign Language is considered rude in some cultures.
 The digit 0 in the decimal, binary, and all other base numbering systems.
One million has six zeros.

(context, informal, uncountable) nothing, Nothing; nought; an amount or degree that is for practical purposes irrelevant.
The shipment was lost, so they had in stock.
He knows about humor.
In the end, all our hard work amounted to .
 A value of a magnitude.
The electromagnetic field does not drop all the way to before a reversal.
 A point on a scale at which numbering or measurement originates.
The temperature outside is ten degrees below .

(mathematics) A value of a function"s independent variables for which the function is equal to zero.
The zeros of a polynomial are its roots by the fundamental theorem of algebra.
The derivative of a continuous, differentiable function that twice crosses the axis must have a .
The nontrivial zeros of the Riemann zeta function may all lie on the critical line.

(mathematics) The additive identity element of a monoid or greater algebraic structure, particularly a group or ring.
Since a commutative is the inverse of any additive identity, it must be unique when it exists.
The quotient ring over a maximal ideal is a field with a single element.

(slang) A person of little or no importance.
They rudely treated him like a .

(military) A plane flown by a Japanese kamikaze in WWII.
 A setting of calibrated instruments such as a firearm.
verb (zero, es)

(transitive) To set a measuring instrument to zero; to calibrate instrument scale to valid zero.
Zero the fluorometer with the same solvent used in extraction.

(context, transitive, computing) To change a memory location or range to values of zero; to set a variable in a computer program to zero.
Results were inconsistent because an array wasn"t zeroed during initialization.

(transitive) To cause or set some value or amount to be zero.
They tried to the budget by the end of the quarter.
adjective

(informal) For all practical purposes irrelevant. Usage: + noun.
She showed respect.

(meteorology) 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.

(linguistics) Present at an abstract level but not realized in the data.
The stem of "kobieta" with the ending is "kobiet".

