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.
What Is Double in Computer Programming. Double is a fundamental type built into the compiler and used to define numeric variables holding numbers with decimal points, which accommodate fractions. C, C++, C# and many other programming languages recognize double as a type. Other data types include float and int.