Doubling

From Wikipedia, the free encyclopedia

Doubling may refer to:

• in maths:
  • multiplication by 2
  • doubling the cube, a geometric problem
  • doubling time, the period of time required for a quantity to double in size or value.
• in music,
  • the composition or performance of a melody with itself or itself transposed at a constant interval such as the octave, third, or sixth
  • the assignment of a melody to two instruments in an arrangement
  • the playing of two (or more) instruments alternately by a single player, e.g. Flute, doubling piccolo
• in lingustic,
  • syntactic doubling is a phenomenon consisting in the lengthening (gemination) of the initial consonant of certain words
• in firearms, when more than one round is fired in a semiautomatic gas powered rifle with only one pull of the trigger, also known as a slam fire.
• in two way radio, doubling is where two transmitters transmit at once, often garbling both messages.
• doubling (yarn) is the process of combining two or more lengths of yarn into a single thread.