Alternative form of num

Abbreviation of Numbers.

Abbreviation of number. / (grammar) Abbreviation of numeral.

(colloquial) Used to denote eating, or enjoyment of eating.

Synonym of cloud nine.

(chiefly South Asia) A stream-bed, ravine, or other watercourse; a drain for rain or floodwater. / (Hong Kong) An open-air, concrete-lined channel for draining rain or wastewater.

(mathematics, measure theory) A negligible set; set of zero measure. / (set theory) The empty set.

A common alternative form of PIN (in the sense of "personal identification number").

A nuclear weapon

A weapon that derives its energy from the nuclear reactions of either fission or fusion.