(mathematics) The bijective numeration of digits 1 through k inclusive that uses position in powers of k to encode an integer's expansion.

ruthlessly aggressive and uncompromising

(humorous) One who does not speak can be sure of not saying anything embarrassing.

(of a laboratory rodent) To make a selection in a psychological experiment by poking the nose through one of several apertures in order to break a light beam

An instance of this activity

simple past tense and past participle of nose

(in combination) Having some specific type of nose.

plural of non sequitur

Not scientific, or lacking scientific rigor.

(idiomatic, informal) No harm to one.