(physics) An artificial helium-like atom where the Coulombic electron-nucleus interaction potential is replaced by a harmonic potential.

(engineering) A spur gearing having teeth slanting across the face of the wheel, sometimes slanting in opposite directions from the middle.

plural of Hooke's atom

A hook used by a butcher for hanging carcasses or meat. / (Cockney rhyming slang, singular only) Synonym of butcher's

(idiomatic) Relieved of a duty, burden, responsibility, or pressure.

Of a telephone, having an open connection; not hung up. / Of a telephone, ringing frequently.

(idiomatic, informal, sports) Performing extraordinarily well. / (idiomatic, informal, slang) Fresh, cool, trendy, excellent.

(idiomatic) By any means possible; one way or another.

A type of hook attached to a line and designed to be thrown at a target (e.g. rigging of an enemy ship) for the purpose of catching hold of it.

A (generally barbed) sharp curved implement used to catch fish using a line.