The condition called de Quervain's tenosynovitis causes pain on the inside of the wrist and forearm just above the thumb. It is a common problem affecting the wrist and is usually easy to diagnose.
â¢ DOUBLE FLAT (noun) The noun DOUBLE FLAT has 1 sense: 1. a musical notation of two flats in front of a note indicating that it is to be lowered by two semitones. Familiarity information: DOUBLE FLAT used as a noun is very rare.
Definition of DOUBLET. 1. : a man's close-fitting jacket worn in Europe especially during the Renaissance.edical Definition of DOUBLET. 1. : something consisting of two identical or similar parts: as a: a lens consisting of two components b: a spectrum line having two close components. 2. : a set of two identical or similar things; especially: one of nine pairs of microtubules found in cilia and flagella.