(computing) A full restore of an electronic device, such as a PDA or a mobile phone, to its original settings.

plural of factorage

The property of being factorial.

(euphemistic) To kill, usually a horse.

plural of factoress

(dated) A female factor (agent or representative).

The business of a factor.

plural of double factorial

(mathematics, combinatorics) For an odd integer, the result of multiplying all the odd integers from 1 to the given number; or for an even integer, the result of multiplying all the even integers from 2 to the given number; symbolised by a double exclamation mark (!!). For example, 9!! = 1 × 3 × 5 × 7 × 9 = 945.

plural of shit factory