(idiomatic, business) Foremost in one's thoughts; of greatest concern or priority.

(UK) A small roundabout that is either flush to the road surface (painted on) or slightly raised.

plural of mini-roundabout

(colloquial, humorous) Synonym of brain bleach

The primitive, subconscious, latent, or unconscious mind; instinct.

(linear algebra) For a given square matrix M over some field K, the smallest-degree monic polynomial over K which, when applied to M, yields the zero matrix.

(Scotland) A candidate for the clerical office who fails, disqualified by incompetency or immorality.

plural of mineral lick

A block of salt enriched with minerals, licked by herd animals to supplement their diet. / A natural source of such minerals licked by wild animals.

A mine from which tin is extracted.