Doubling
Encyclopedia
Doubling may refer to:
}the playing of two (or more) instruments alternately by a single player, e.g. Flute, doubling piccolo
- in math:
- multiplicationMultiplicationMultiplication is the mathematical operation of scaling one number by another. It is one of the four basic operations in elementary arithmetic ....
by 2 - doubling the cubeDoubling the cubeDoubling the cube is one of the three most famous geometric problems unsolvable by compass and straightedge construction...
, a geometric problem - doubling timeDoubling timeThe doubling time is the period of time required for a quantity to double in size or value. It is applied to population growth, inflation, resource extraction, consumption of goods, compound interest, the volume of malignant tumours, and many other things which tend to grow over time...
, the period of time required for a quantity to double in size or value - doubling map
- period-doubling bifurcationFeigenbaum constantsThe Feigenbaum constants are two mathematical constants named after the mathematician Mitchell Feigenbaum. Both express ratios in a bifurcation diagram.The first Feigenbaum constant ,...
- multiplication
- in music:
- the composition or performance of a melodyMelodyA melody , also tune, voice, or line, is a linear succession of musical tones which is perceived as a single entity...
with itself or itself transposed at a constant intervalInterval (music)In music theory, an interval is a combination of two notes, or the ratio between their frequencies. Two-note combinations are also called dyads...
such as the octave, third, or sixth, Voicing (music)#Doubling - the assignment of a melody to two instruments in an arrangementArrangementThe American Federation of Musicians defines arranging as "the art of preparing and adapting an already written composition for presentation in other than its original form. An arrangement may include reharmonization, paraphrasing, and/or development of a composition, so that it fully represents...
- the composition or performance of a melody
}the playing of two (or more) instruments alternately by a single player, e.g. Flute, doubling piccolo
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- musicians who play more than one woodwind instrument are called Woodwind Doublers or Reed Players
- DoubletrackingDoubletrackingDouble tracking is an audio recording technique in which a performer sings or plays along with their own prerecorded performance, usually to produce a stronger or "bigger" sound than can be obtained with a single voice or instrument. It is a form of overdubbing; the distinction comes from the...
, a recording technique in which a musical part (or vocal) is recorded twice and mixed together, to strengthen or "fatten" the tone.
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- in linguistics:
- syntactic doublingSyntactic doublingSyntactic gemination, or syntactic doubling, is an external sandhi phenomenon in Italian and some other Western Romance languages. It consists in the lengthening of the initial consonant after words of certain categories....
is a phenomenon consisting in the lengthening (gemination) of the initial consonant of certain words
- syntactic doubling
- in psychodramaPsychodramaPsychodrama is a method of psychotherapy in which clients utilize spontaneous dramatization, role playing and dramatic self-presentation to investigate and gain insight into their lives. Developed by Jacob L. Moreno, M.D. psychodrama includes elements of theater, often conducted on a stage where...
:- doubling (psychodrama)Doubling (psychodrama)In psychodrama, doubling is a technique where a participant, perhaps asked by the psychodrama director, supplements the role of the protagonist, usually by standing behind them and saying things that the protagonist might want to say or is withholding. In this way one is able to hear things that...
is a technique of provoking a protagonist by a participant, for effect.
- doubling (psychodrama)
- 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 radioTwo-way radioA two-way radio is a radio that can both transmit and receive , unlike a broadcast receiver which only receives content. The term refers to a personal radio transceiver that allows the operator to have a two-way conversation with other similar radios operating on the same radio frequency...
, 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.