3. (Bot.) A quincuncial arrangement, as of the parts of a flower in æstivation. See Quincuncial, 2.
(Quin*dec"a*gon) n. [L. quindecim fifteen + Gr. angle.] (Geom.) A plane figure with
fifteen angles, and consequently fifteen sides.
(||Quin`de*cem"vir) n.; pl. E. Quindecemvirs L. Quindecemviri [L., from quindecim
fifteen + vir a man.] (Rom. Antiq.) One of a sacerdotal college of fifteen men whose chief duty was to
take care of the Sibylline books.
(Quin`de*cem"vi*rate) n. [L. quindecimviratus.] The body or office of the quindecemviri.
(Quin*dec"one) n. [L. quindecim fifteen.] (Chem.) An unsaturated hydrocarbon, C15H26,
of the valylene series, produced artificially as an oily liquid. [Written also quindekone.]
(Quin`de*cyl"ic) n. [L. quindecim fifteen + -yl.] (Chem.) Pertaining to, or designating, an
acid of the fatty acid series, containing fifteen atoms of carbon; called also pentadecylic acid.
(Quin"dem) n. A fifteenth part. [Obs.]
(Quin"dism) n. A fifteenth. [Obs.] Prynne.
(Quin*hy"drone) n. [Quinone + hydroquinone.] (Chem.) A green crystalline substance
formed by the union of quinone with hydroquinone, or as an intermediate product in the oxidation of
hydroquinone or the reduction of quinone. [Written also chinhydrone.]
(||Quin"i*a) n. [NL.] (Chem.) Quinine.
(Quin"i*ble) n. [L. quini five each.] (Mus.) An interval of a fifth; also, a part sung with such
intervals. [Obs.] "He sang . . . a loud quynyble." Chaucer.
(Quin"ic) a. [See Quinine, and cf. Kinic.] (Chem.) Pertaining to, derived from, or connected
with, quinine and related compounds; specifically, designating a nonnitrogenous acid obtained from cinchona
bark, coffee, beans, etc., as a white crystalline substance. [Written also chinic, kinic.]
(Quin"i*cine) n. (Chem.) An uncrystallizable alkaloid obtained by the action of heat from
quinine, with which it is isomeric.