Absent or reduced sensitivity to cutaneous stimulation. / Inability or reduced ability to experience emotion.

(euphemistic, usually childish) Feces; the act of defecation. / (nautical, slang) A first mate. / A primary assistant; vice-leader.

(graph theory) The smallest number of colours needed to colour a given graph (i.e., to assign a colour to each vertex such that no two vertices connected by an edge have the same colour).

(genetics) A DNA sequence, 1000 nucleotides (or synonymously base pairs) in length or longer, that is present a variable number of times as copies in a genome relative to a reference genome.

(mathematics) a positive integer

(library science) An identification number, usually consisting of a combination of numbers and characters, used to identify and locate materials within a library.

plural of abstract number

simple past tense and past participle of number

(mathematics) A positive integer that is the product of three distinct prime factors.

plural of prime number