double

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double

1. (of flowers) having more than the normal number of petals
2. Maths
a. (of a root) being one of two equal roots of a polynomial equation
b. (of an integral) having an integrand containing two independent variables requiring two integrations, in each of which one variable is kept constant
3. Music
a. (of an instrument) sounding an octave lower than the pitch indicated by the notation
b. (of time) duple, usually accompanied by the direction alla breve
4. an actor who plays two parts in one play
5. Bridge a call that increases certain scoring points if the last preceding bid becomes the contract
6. Billiards Snooker a strike in which the object ball is struck so as to make it rebound against the cushion to an opposite pocket
7. a bet on two horses in different races in which any winnings from the horse in the first race are placed on the horse in the later race
8. Chiefly RC Church one of the higher-ranking feasts on which the antiphons are recited both before and after the psalms
9. Music an ornamented variation in 16th and 17th century music
10. 
a. the narrow outermost ring on a dartboard
b. a hit on this ring
References in periodicals archive ?
The HDSL Doubler Power Supply works in concert with the T-BERD(R) 209OSP Analyzer to provide a complete testing solution for the installation of HDSL networks.
Combined with the T-BERD 209OSP, the HDSL Doubler Power Supply allows the technician to turn up HDSL spans and detect physical cable faults such as bridge taps, load coils, and bad repeaters.
BARCO, a leading manufacturer of video and graphics display technology, has introduced LiDo, a state-of-the-art video line doubler (31.
Many end users have been pleasantly surprised to see that BARCO's Line Doubler provides video image quality that is very comparable to that of 'exotic' line doublers costing many thousands of dollars more," commented Barlow.
Many end users have been pleasantly surprised to see that BARCO's Line Doubler provides video image quality that is very comparable to that of exotic line doublers costing many thousands of dollars more," commented Barlow.
The module supports both local and remote loopbacks and is inter-operable with PairGain HiGain Line Units, Remote Units and Doublers.