Illicitly, against regulations, of goods kept under the serving counter in a shop to be unobtrusively passed to a customer who knows they are available for surreptitious sale (e.g. pornographic magazines in a newsagent).

(Britain, Ireland, colloquial) In an underhand way, sneakily; unofficially, particularly with regard to payment or tax avoidance.

Illicit, obtained or sold furtively.

Alternative spelling of counterproductive

(microbiology) laboratory equipment used to count colonies of bacteria, or other microorganisms, growing on agar, usually in a Petri dish.

(analytical chemistry, chemistry) A piece of laboratory equipment used to analyse solutions of a beta particle emitter by measuring the scintillations from a scintillation cocktail.

(set theory) A set that is countable.

The country in which a person (or group of people) was born; motherland; homeland.

Any country of which one is not a citizen.

(Ireland, informal) The six Irish counties that form Northern Ireland.