Definition of **zero**, meaning of **zero**

**Noun**

- The cardinal number that denotes no quantity or amount at all.
*The conductor waited until the passenger count was***zero**.

- The numeral symbol that represents the cardinal number zero.
*In unary and k-adic notation in general,***zero**is the empty string.*Write 0.0 to indicate a floating point rather than the integer***zero**.

- The digit 0 in the decimal, binary, and all other base numbering systems.
*One million has six***zeros**.

- A point on a scale at which numbering or measurement originates.
*The temperature outside is ten degrees below***zero**.

- A lowest point.
*The electromagnetic field does not drop all the way to***zero**before a reversal.

- (informal, uncountable) An amount or degree that is for practical purposes irrelevant.
*He knows***zero**about humor.*In the end, all our hard work amounted to***zero**.

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

- (mathematics) A value of a functionâ€™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***zero**.*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***zero**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***zero**element.

- Setting of a firearm.
*See*zero in.

**Synonyms:**

- (
*cardinal number denoting nothing*): cipher, nil, naught, null - (
*numeral zero*): cipher - (
*digit zero*): slashed zero - (
*point of origin on a scale*): origin, zero point - (
*lowest point*): nadir - (
*irrelevant amount*): bugger all, nada, naught, nothing, nought, nowt, null, sod all, sweet FA, sweet Fanny Adams, zilch, zip - (
*person of little importance*): cipher, nobody, nonentity - (
*value of a functionâ€™s variables at zero): root* - (
*identity element of a monoid*): additive identity

**4** letters in word "zero": ** E O R Z**.

No anagrams for **zero** found in this word list.

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Words that start with the letter z

Words that end in the letter o

Words starting with **ze**

Words ending in **ro**

Words beginning with **zer**

Words that end with **ero**

**4** letter words starting with **z**

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