Webster's Dictionary, 1913

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Quinazol noun [ Quin oline + az ote.] (Chemistry) A complex nitrogenous base related to cinnoline. [ Written also chinazol .]

Quince (kwĭns) noun [ Prob. a plural from Middle English quyne , coin , Old French coin , cooin , French coing , from Latin Cydonius a quince tree, as adj., Cydonian, Greek ... Cydonian, ... ... a quince, from ... Cydonia, a city in Crete, ... the Cydonians. Confer Quiddany .]
1. The fruit of a shrub ( Cydonia vulgaris ) belonging to the same tribe as the apple. It somewhat resembles an apple, but differs in having many seeds in each carpel. It has hard flesh of high flavor, but very acid, and is largely used for marmalade, jelly, and preserves.

2. (Botany) a quince tree or shrub.

Japan quince (Botany) , an Eastern Asiatic shrub ( Cydonia , formerly Pyrus, Japonica ) and its very fragrant but inedible fruit. The shrub has very showy flowers, usually red, but sometimes pink or white, and is much grown for ornament. -- Quince curculio (Zoology) , a small gray and yellow curculio ( Conotrachelus cratægi ) whose larva lives in quinces. -- Quince tree (Botany) , the small tree ( Cydonia vulgaris ) which produces the quince.

Quincewort noun (Botany) The squinancy. Called also quinsywort .

Quinch intransitive verb [ Confer OD. quincken to quiver, shake, Fries. quink hovering. Confer Quich .] To stir; to wince. [ Obsolete] Spenser.

Quincuncial [ Latin quincuncialis , from quincunx . See Quincunx .]

1. Having the form of a quincunx.

2. (Botany) Having the leaves of a pentamerous calyx or corolla so imbricated that two are exterior, two are interior, and the other has one edge exterior and one interior; as, quincuncial æstivation.

Quincuncial phyllotaxy (Botany) , an arrangement of five leaves in a spiral, each leaf two fifths of a circle from the next.

Quincuncially adverb In the manner or order of a quincunx.

Quincunx noun [ Latin , from quinque five + uncia an ounce. The quincunx was marked by five small spots or balls. See Five , and Ounce the weight.]
1. An arrangement of things by fives in a square or a rectangle, one being placed at each corner and one in the middle; especially, such an arrangement of trees repeated indefinitely, so as to form a regular group with rows running in various directions.

2. (Astrol.) The position of planets when distant from each other five signs, or 150°. Hutton.

3. (Botany) A quincuncial arrangement, as of the parts of a flower in æstivation. See Quincuncial , 2.

Quindecagon noun [ Latin quindec im fifteen + Greek ... angle.] (Geom.) A plane figure with fifteen angles, and consequently fifteen sides.

Quindecemvir noun ; plural English Quindecemvirs , Latin Quindecemviri . [ Latin , 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.

Quindecemvirate noun [ Latin quindecimviratus .] The body or office of the quindecemviri.

Quindecone noun [ Latin quindecim fifteen.] (Chemistry) An unsaturated hydrocarbon, C 15 H 26 , of the valylene series, produced artificially as an oily liquid. [ Written also quindekone .]

Quindecylic noun [ Latin quindecim fifteen + -yl .] (Chemistry) Pertaining to, or designating, an acid of the fatty acid series, containing fifteen atoms of carbon; called also pentadecylic acid.

Quindem noun A fifteenth part. [ Obsolete]

Quindism noun A fifteenth. [ Obsolete] Prynne.

Quinhydrone noun [ Quin one + hydro quinone.] (Chemistry) 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 .]

Quinia noun [ New Latin ] (Chemistry) Quinine.

Quinible noun [ Latin quini five each.] (Mus.) An interval of a fifth; also, a part sung with such intervals. [ Obsolete] "He sang . . . a loud quynyble ." Chaucer.

Quinic adjective [ See Quinine , and confer Kinic .] (Chemistry) 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 .]

Quinicine noun (Chemistry) An uncrystallizable alkaloid obtained by the action of heat from quinine, with which it is isomeric.

Quinidine noun (Chemistry) An alkaloid isomeric with, and resembling, quinine, found in certain species of cinchona, from which it is extracted as a bitter white crystalline substance; conchinine. It is used somewhat as a febrifuge. [ Written also chinidine .]

Quinine noun [ French (cf. Spanish quinina ), from Spanish quina , or quinaquina , Peruvian bark, from Peruv. kina , quina , bark. Confer Kinic .] (Chemistry) An alkaloid extracted from the bark of several species of cinchona (esp. Cinchona Calisaya ) as a bitter white crystalline substance, C 20 H 24 N 2 O 2 . Hence, by extension (Medicine) , any of the salts of this alkaloid, as the acetate, chloride, sulphate, etc., employed as a febrifuge or antiperiodic. Called also quinia , quinina , etc. [ Written also chinine .]

Quininic adjective (Chemistry) Pertaining to, or designating, a nitrogenous acid obtained as a yellow crystalline substance by the oxidation of quinine.

Quininism, Quinism noun (Medicine) See Cinchonism .

Quinizarin [ Hydro quin one + alizarin .] (Chemistry) A yellow crystalline substance produced artificially. It is isomeric with alizarin.

Quinizine noun [ Quin oline + hydra zine .] (Chemistry) any one of a series of nitrogenous bases, certain of which are used as antipyretics.

Quinnat noun [ From the native name.] (Zoology) The California salmon ( Oncorhynchus choicha ); -- called also chouicha , king salmon , chinnook salmon , and Sacramento salmon . It is of great commercial importance. [ Written also quinnet .]

Quinoa noun The seeds of a kind of goosewort ( Chenopodium Quinoa ), used in Chili and Peru for making porridge or cakes; also, food thus made.

Quinogen noun [ Quin ine + -gen .] (Chemistry) A hypothetical radical of quinine and related alkaloids.

Quinoidine noun [ Quin ine + -oid .] (Med. (Chemistry) A brownish resinous substance obtained as a by-product in the treatment of cinchona bark. It consists of a mixture of several alkaloids. [ Written also chinoidine .]

Quinoline noun [ Quin ine + Latin ol eum oil + -ine .] (Chemistry) A nitrogenous base, C 9 H 7 N obtained as a pungent colorless liquid by the distillation of alkaloids, bones, coal tar, etc. It the nucleus of many organic bodies, especially of certain alkaloids and related substances; hence, by extension, any one of the series of alkaloidal bases of which quinoline proper is the type. [ Written also chinoline .]

Quinologist noun One who is versed in quinology.

Quinology noun [ Quin ine + -logy .] The science which treats of the cultivation of the cinchona, and of its use in medicine.

Quinone noun [ Quin ine + ket one .] (Chemistry) A crystalline substance, C 6 H 4 O 2 (called also benzoketone ), first obtained by the oxidation of quinic acid and regarded as a double ketone; also, by extension, any one of the series of which quinone proper is the type. [ Written also chinone , kinone .]

Quinovic adjective (Chemistry) Pertaining to, or designating, a crystalline acid obtained from some varieties of cinchona bark. [ Written also chinovic , and kinovic .]

Quinovin noun [ New Latin quina nova the tree Cosmibuena magnifolia , whose bark yields quinovin.] (Chemistry) An amorphous bitter glucoside derived from cinchona and other barks. Called also quinova bitter , and quinova . [ Written also chinovin , and kinovin .]

Quinoxaline noun [ Quin oline + gly oxal .] (Chemistry) Any one of a series of complex nitrogenous bases obtained by the union of certain aniline derivatives with glyoxal or with certain ketones. [ Written also chinoxaline .]

Quinoxyl noun [ Quin one + oxy gen + -yl .] (Chemistry) The hypothetical radical of certain quinone derivatives related to rhodizonic acid.

Quinoyl noun [ Quin one + - yl .] (Chemistry) A radical of which quinone is the hydride, analogous to phenyl. [ Written also kinoyl .]

Quinquagesima adjective [ Latin , from quinquagesimus the fiftieth, akin to quinquaginta fifty, quinque five. See Five .] Fiftieth.

Quinquagesima Sunday , the Sunday which is the fiftieth day before Easter, both days being included in the reckoning; -- called also Shrove Sunday .

Quinquangular adjective [ Latin quinquanqulus ; quinque five + angulus ad angle: confer French quinquangulaire .] Having five angles or corners.

Quinquarticular adjective [ Quin que- + article .] (Theol.) Relating to the five articles or points; as, the quinquarticular controversy between Arminians and Calvinists. [ Obsolete] Bp. Sanderson.

Quinque foliolate adjective (Botany) Having five leaflets. Gray.

Quinque- [ Latin quinque five. See Five .] A combining form meaning five , five times , fivefold ; as, quinque fid, five-cleft; quinque dentate, five-toothed.

Quinqueangled adjective [ Quinque- + angle .] Having five angles; quinquangular.

Quinquedentate, Quinquedentated adjective [ Quinque- + dentate , - tated : confer French quinquédenté .] Five- toothed; as, a quinquedentate leaf.

Quinquefarious adjective [ From Latin quinque five: confer French quinquéfarié . Confer Bifarious .] (Botany) Arranged in five vertical rows; pentastichous. Gray.

Quinquefid adjective [ Quique- + the root of Latin findere to cleave: confer French quinquéfide .] (Botany) Sharply cut about halfway to the middle or base into five segments; as, a quinquefid leaf or corolla.

Quinquefoliate, Quinquefoliated adjective [ Quinque- + foliate , - ated : confer French quinquéfolié , Latin quinquefolius .] (Botany) Having five leaves or leaflets. Gray.

Quinqueliteral adjective [ Quinque- + literal .] Consisting of five letters.

Quinquelobate, Quinquelobared adjective [ Quinque- + lobate , -ated : confer French quinquélobé .] Cut less than halfway into portions, usually somewhat rounded; five-lobed; as, a quinquelobate leaf or corolla.