The decade of the 1800s, 1900s, 2000s, etc. The noughties. The 2000s.

simple past tense and past participle of zero. Cf. also zeroized.

plural of zero

(rare) The decade of the 1800s, 1900s, 2000s, etc. The noughties. The 2000s.

Third-person singular simple present indicative form of zero

The property of being zero.

present participle of zero out

(physics) The coldest possible temperature, zero on the Kelvin scale, or approximately −273.15 °C, −459.67 °F; total absence of heat; temperature at which motion of all molecules would cease.

(mathematics) a vector whose value in every dimension is zero. i.e. ⃑0=<0,0,…,0> / (linear algebra) a vector 0 in a vector space V such that for any v∈V, 0+v=v

(computing) A signed magnitude representation of zero in which the sign bit indicates a positive number.