Quinisext, kwin′i-sekst, adj. pertaining to five and six, or to the fifth and sixth.

Quinnat, kwin′at, n. the king-salmon.

Quinoa, kē′no-a, n. a Chilian and Mexican food-plant, resembling some British species of chenopodium, cultivated for its farinaceous seeds. [Peruv.]

Quinoline, kwin′ō-lin, n. a pungent, colourless liquid obtained by the distillation of bones, coal-tar, and various alkaloids—the base of many organic bodies, isomeric with Leucol.—Also Chin′oline. [Peruv. quina, kina, bark.]

Quinone, kwin′ōn, n. or Benzoquinone, a golden-yellow crystalline compound usually prepared by oxidising aniline with potassium bichromate and sulphuric acid: a general name applied to all benzene derivatives in which two oxygen atoms replace two hydrogen atoms.—Also Kinone (kē′nōn), as KinicQuinic.

Quinquagesima, kwin-kwa-jes′i-ma, n. a period of fifty days.—n. Quinquagenā′rian, one who is between fifty and sixty years old.—Quinquagesima Sunday, the Sunday before Ash Wednesday, being the fiftieth day before Easter. [L. quinquaginta, fifty—quinque, five.]

Quinquangular, kwin-kwang′gū-lar, adj. having five angles.—adjs. Quinquartic′ular, of five articles; Quinquecap′sular, having five capsules; Quinquecos′tāte, -d having five ribs; Quinqueden′tate, -d (bot.), five-toothed; Quinquefā′rious, disposed in five sets or rows; Quin′quefid, cleft into five segments; Quinquefō′liate, -d (bot.), having five leaves or leaflets; Quinquelit′eral, consisting of five letters; Quinquelō′bate, having five lobes; Quinqueloc′ular, having five loculi; Quinquepär′tite, five-parted; Quinquesep′tate, having five septa; Quinquesē′rial, arranged in five series; Quinquesyllab′ic, having five syllables; Quinquev′alent, having an equivalence of five; Quin′quevalve, Quinqueval′vular, having five valves.

Quinquenniad, kwin-kwen′i-ad, n. a period of five years—also Quinquenn′ium.—adj. Quinquenn′ial, occurring once in five years: lasting five years.—n. a fifth anniversary or its celebration.

Quinquereme, kwin′kwe-rēm, n. an ancient galley having five banks of oars. [L.,—quinque, five, remus, an oar.]

Quinquina, kin-kī′nä, n. quinaquina. [Quinine.]