Doubling

Doubling may refer to:

• Arithmetical doubling of a count or a measure, expressed as:
  • Multiplication by 2
  • Increase by 100%, i.e. one-hundred percent
  • Doubling the cube (i. e., hypothetical geometric construction of a cube with twice the volume of a given cube)
• Doubling time, the length of time required for a quantity to double in size or value
• Doubling map, a particular infinite two-dimensional geometrical construction
• see also: Period-doubling bifurcation

• 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
• Double tracking, a recording technique in which a musical part (or vocal) is recorded twice and mixed together, to strengthen or "fatten" the tone.

• Doubling (psychodrama) is a technique of provoking a protagonist by a participant, for effect.
• Doubling in the theatre is where one actor plays more than one part in the same performance.
• Doubling (textiles) is the process where six slivers of cotton are fed into a draw frame, stretched and drawn together to improve the uniformity of the roving before it is spun
• Doubling (naval tactic) was a means of focusing gunfire in formations of sailing warships maneuvering as a line of battle.
• Double knitting is the process of combining two or more lengths of yarn into a single thread.
• Doubling in two-way radio, where two or more transmitters transmit at once on the same frequency, interfering with one another and garbling all messages.
• Syntactic doubling is a phenomenon consisting in the lengthening (gemination) of the initial consonant of certain words
• 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.
• Doubling trains tracks has two tracks for two direction traffic.

• Double (disambiguation)
• Dublin

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