Doubling

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
  • doubling map
  • period-doubling bifurcation
• 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, Voicing (music)#Doubling
  • 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
    • musicians who play more than one woodwind instrument are called Woodwind Doublers or Reed Players
  • Doubletracking, a recording technique in which a musical part (or vocal) is recorded twice and mixed together, to strengthen or "fatten" the tone.
• in linguistics,
  • syntactic doubling is a phenomenon consisting in the lengthening (gemination) of the initial consonant of certain words
• in psychodrama,
  • doubling (psychodrama) is a technique of provoking a protagonist by a participant, for effect.
• 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 or more transmitters transmit at once on the same frequency, interfering with one another and garbling all messages.
• doubling (yarn) is the process of combining two or more lengths of yarn into a single thread.

See also

• Double (disambiguation)

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