(mathematics) Of a polynomial expression, involving only the zeroth, second, and fourth powers of a variable, as x⁴ + 3x² + 2. Sometimes extended to any expression involving the biquadrate or fourth power (but no higher powers), as x⁴ − 4x³ + 3x² − x + 1.
noun
(mathematics) A biquadratic equation.
colliquable
colliquable
adj
(obsolete, rare) Liable to melt, grow soft, or become fluid.
conquerable
conquerable
adj
Capable of being conquered or subdued.
equibalance
equibalance
noun
Equal weight; equiponderance.
verb
(transitive) To make of equal weight; to counterbalance.
macabresque
quackenbush
quadribasic
quadribasic
adj
(chemistry) tetrabasic
quarterback
quarterback
noun
(American football, Canadian football) An offensive back whose primary job is to pass the ball in a play.
(American football, historical) An offensive back who receives the snap (hike) and then blocks the defense from crossing the line of scrimmage; a blocking back.
(rugby football, historical) A position just behind the forwards, or one who plays this position.
verb
(American football) To play the position of quarterback.
(by extension) To lead a team or group; to be primarily responsible for some group project or activity.
quebrachine
quebrachine
noun
An alkaloid, probably identical to yohimbine, from the quebracho tree
quebrachite
quickenbeam
quincubital
quincubital
adj
(ornithology) Having a fifth cubital remex.
racquetball
racquetball
noun
(countable) A ball used for this sport.
(uncountable) A certain sport, similar to squash, but played with a bigger ball.
sesquibasic
sesquibasic
adj
(chemistry) Containing, or acting as, a base in the proportions of a sesqui compound.