| EQUIPONDERANT | • equiponderant adj. (Obsolete) Having equal weight. • EQUIPONDERANT adj. evenly balanced.
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| EQUIPONDERATE | • equiponderate v. To counterbalance. • EQUIPONDERATE v. to be equal in weight; to balance.
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| PARAQUADRATES | • PARAQUADRATE n. a paired membrane bone of the vertebrate skull. | 
| PREACQUAINTED | • preacquainted v. Simple past tense and past participle of preacquaint. • PREACQUAINT v. to acquaint beforehand.
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| QUADRAPHONICS | • quadraphonics n. Quadraphonic sound. • QUADRAPHONICS n. a system of sound transmission using a minimum of four speakers, also QUADRAPHONY, QUADRIPHONICS, QUADROPHONICS, QUADROPHONY.
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| QUADRAPHONIES | • QUADRAPHONY n. a system of sound transmission using four speakers, also QUADRAPHONICS, QUADRIPHONICS, QUADROPHONICS, QUADROPHONY. | 
| QUADRAPLEGIAS | • QUADRAPLEGIA n. paralysis of both arms and both legs, also QUADRIPLEGIA, TETRAPLEGIA. | 
| QUADRAPLEGICS | • QUADRAPLEGIC n. one suffering from quadriplegia, paralysis of both arms and both legs, also QUADRIPLEGIC. | 
| QUADRICIPITAL | • quadricipital adj. (Anatomy) Of or pertaining to the quadriceps. • QUADRICIPITAL adj. relating to the quadriceps, the great extensor muscle of the knee.
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| QUADRIPARTITE | • quadripartite adj. Divided into four parts. • quadripartite adj. Involving four parties or participants; four-party.
 • quadripartite n. A treatise divided into four parts.
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| QUADRIPHONICS | • quadriphonics n. Alternative form of quadraphonics. • QUADRIPHONICS n. a system of sound transmission using a minimum of four speakers, also QUADRAPHONICS, QUADRAPHONY, QUADROPHONICS, QUADROPHONY.
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| QUADRIPLEGIAS | • quadriplegias n. Plural of quadriplegia. • QUADRIPLEGIA n. paralysis of both arms and both legs, also TETRAPLEGIA.
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| QUADRIPLEGICS | • quadriplegics n. Plural of quadriplegic. • QUADRIPLEGIC n. one suffering from quadriplegia, also QUADRAPLEGIC.
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| QUADROPHONICS | • QUADROPHONICS n. a system of sound transmission using a minimum of four speakers, also QUADRAPHONICS, QUADRAPHONY, QUADRIPHONICS, QUADROPHONY. | 
| QUADROPHONIES | • QUADROPHONY n. a system of sound transmission using four speakers, also QUADRAPHONICS, QUADRAPHONY, QUADRIPHONICS, QUADROPHONICS. | 
| QUADRUPLEXING | • quadruplexing n. The transmission of four separate messages on a single cable. • QUADRUPLEX v. to make quadruplex.
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| QUADRUPLICATE | • quadruplicate adj. Having four parts. • quadruplicate adj. Four times over, multiplied by four.
 • quadruplicate n. In quadruplicate: four times over, in four copies.
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| QUADRUPLICITY | • quadruplicity n. A group of four things. • QUADRUPLICITY n. the state of being quadruple.
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| QUASIPERIODIC | • quasiperiodic adj. Almost periodic; recurring at irregular intervals. • quasiperiodic adj. (Mathematics, of a function) Such that an increment of a variable leads to a multiplication by some function.
 • quasiperiodic adj. (Physics, of an oscillation) Having two unrelated periods.
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| QUINDECAPLETS | • QUINDECAPLET n. a group of fifteen. |