zero
/ˈzɪəɹəʊ/
The numeric symbol that represents the cardinal number zero.
In unary and k-adic notation in general, zero is the empty string.
The digit 0 in the decimal, binary, and all other base numbering systems.
One million has six zeroes.
Nothing, or none.
He knows zero about humour.
The value of a magnitude corresponding to the cardinal number zero.
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.
The temperature outside is ten degrees below zero.
A value of the independent variables of a function, for which the function is equal to zero.
The derivative of a continuous, differentiable function that twice crosses the axis must have a zero.
The additive identity element of a monoid or greater algebraic structure, particularly a group or ring.
Since a commutative zero is the inverse of any additive identity, it must be unique when it exists.
A person of little or no importance.
They rudely treated him like a zero.
A Mitsubishi A6M Zero, a long range fighter aircraft operated by the Japanese Navy Air Service from 1940 to 1945.
A setting of calibrated instruments such as a firearm.
A security which has a zero coupon (paying no periodic interest).
The takeovers were financed by issuing zeroes.
反義詞