(transitive, UK, informal) To improve or optimize the attributes of (something).

simple past tense and past participle of spec up

Of a species, not listed as a Species of European Conservation Concern, therefore, having a stable population (according to this classification scheme).

(US) Of the grade and quality used by the military.

(informal) A pair of spectacles with round lenses in a light metal frame.

(colloquial) A pair of lenses set in a frame worn on the nose and ears in order to correct deficiencies in eyesight or to ornament the face.

plural of mass spec

Third-person singular simple present indicative form of spec up

present participle of spec up

plural of pair of specs