(construction, plumbing) Synonym of stench trap

plural of smell trap

(genetics) A mutation inserted into an intron in order to identify individual genes

(rail transport, UK) A set of facing points at the end of a crossing loop or side track parallel to a mainline which will direct a train into a sand drag if the signal on that line is passed at danger, thus preventing the train running onto the main line.

plural of yrast trap

Synonym of lobster pot

plural of Penning trap

A device for the storage of charged particles using a homogeneous static magnetic field and a spatially inhomogeneous static electric field.

(Cockney rhyming slang) Of little worth; crap.

(Cockney rhyming slang) Crap; rubbish, nonsense. / (Cockney rhyming slang) Excrement; the act of defecation. / Used other than figuratively or idiomatically: see pony, trap.