QUATRE-FOIL 



281 



QUOTIENT 



auatre-foil, ( ka'tr-foil ). 

 feuille, leaf.]=Quarter- 

 foil : an architectural 

 ornament somewhat re- 

 sembling four leaves. 



Quatsimas. Au Ameri- 

 can race. 



[Fr. quatre, four; 



Quartrefoils. 



x ^ Q.ieeu-post Roof. 



AA, queen -posts; B, tie- 

 beam ; CO, struts or 

 braces ; DD, purlins ; E, 

 straining beam ; FF, 

 common rafters ; GG, 

 wall-plates ; H, ridge- 

 piece. 



Quedius. Q. fulgidus=Horr\et-'beKt\e. 



Queen's metal. An alloy of antimony, tin, 

 bismuth, and lead, the greater part being 

 tin. 



Queen-posts. Upright beams in a compound 

 girder or trussed 

 roof. cf. King-post. 



Queen of the mea- 

 dows. = Spiraea ul- 

 maria, q.v. 



Quercetates. (kwer'- 

 se-tats). [Quercus, 

 q.v.] Compounds 

 of quercitric acid 

 and bases. 



Quercitannic acid, 

 (kwer-si-tan'nik). 

 [Quercus and Tan- 

 nic, q.v.] = Tannic 

 acid of oak. v. Tannic acid. 



Quercite, (kwer'sit). [Quercus, q.v.]=zCsHi<>O 5 ; 

 also called Q'uercin and Sugar of acorns : a 

 variety of sugar obtained from acorns. 



Quercitrin, (kwer'si-trin). [Quercus and 

 Citron, q.v.] = CssHgpO^.HoO : a yellow 

 colouring matter obtained from the bark of 

 the Quercus tinctoria ; also called Quercitric 

 Acid. 



Quercitron, (kwer'si-tron). [Quercus and 

 Citron, q.v.] The yellow bark of Quercus 

 tinctoria: a yellow dye-stuff. 



Quercus, (kwer'kus). [The Latin name.] Oak: 

 .1 tree belonging to Corylaceae, the timber of 

 which is valuable for its durability. Q. ilex 

 = Evergreen oak. Q. pedunculata = Com- 

 mon oak. Q. silver=Cork oak. 



Quernales, (kwer-na'lez). [Quercus, q.v.] Oak, 

 beech, walnut, &c.: trees with monochlamy- 

 deous male flowers, and amygdaloid embryos, 

 forming a division of Diclinous Exogens. 



Quesal=Trogon resplendens: the royal bird 

 of the Aztecs. 



Quichuas. An American race. 



Quick grass=Triticum re pens. 



Quick lime=Pure lime; v. Lime. 



Quicksilver = Mercury, q.v.; named from its 

 mobility and silvery appearance. Horn Q. =. 

 Horn-mercury=Calomel. Q. horizon= Arti- 

 ficial horizon, q.v. 



Quill, (kwill). [L. caulis, stem.] v. Feather. 



Quill- wort=Isoetes, q.v. 



Quina=Cinchona, q.v. 



Quinates, (kwin'ats). [Quinic, <?.r.]=Kinates: 

 compounds of quinic acid and bases. 



Quince, (kwins). [Cognassier, the French 

 name. ]=Cydonia vulgaris: a plant belonging 

 to Pomacese. 



Quindecagon, (kwin-dek'a-gon). [L. quinque, 



five; Gk. deka, ten; gonia, angle.] A figure 

 having fifteen sides. 



Quinia, (kwin'i-a). [Quinine, ?.'W.]=:Co H24 

 NoOa-SHoO: an alkaloid crystalline nitrile 

 base* found in cinchona bark. 



Quinic acid, (kwin'ik). [Quinine, q.v.]= 

 Kinic acid = C7Hi2Og : obtained from cin- 

 chona bark. 



Quinicine, (kwin'i-sin). [Quinine, q.v.] = 

 C 2 oH 2 4N 2 O 2 : an alkaloid obtained from 

 quinine. 



Quinidine, ( kwin'i-dm ). [Quinine, q.v.] = 

 C2oH 2 4N 2 O 2 .2H 2 O: a base, probably quinine 

 hydrate 



Quinine, (kwin'in). [The French word.]= 

 C 20 H24N2P2: a bitter alkaloid substance, 

 used medicinally for its antifebrile qualities, 

 obtained from cinchona bark. Hydro Q.= 

 Hydrated quinine. 



Quinoidine, (kwiu'oi-din). [Quinine, q.v.; Gk. 

 eidos, form.] A compound of several bases 

 obtained from quinia. 



Quinoline, ( kwin'o-lm ). [Quinine, q. v.] = 

 C 9 H 7 N=Leukol: an alkaline oily inflam- 

 mable liqixid, the type of the quinoline 

 bases. Q. series of organic bases C n H2n - nN: 

 include cryptidine, lepidine, and quinoline; 

 a variety of nitrile bases. 



Quinone, (kwin'on). [Quinic, g.v.]=C6H 4 O2 

 = Kinone: a yellow crystalline substance 

 obtained by oxidising quinic acid. 



Quinonic, (kwin-6'nik). [Quinone, q.v.] Re- 

 lated to, or containing, quinone. 



Quinotannic acid, (kwin-6-tan'nik). [Quinine 

 and Tannic, q.v.] Ajf&riety of tannic acid 

 obtained from cinchona bark. 



Quinoyl, (kwin'oil). [Quinone, q.v.; Gk. 

 hyle, material.] The radicle of the quinoue 

 series. 



Quinsy, (kwin'zi). [Esquino/iicte, the French 

 word.] A diseased condition, of the tonsils 

 of the throat. 



Quintal, (kwin'tal). [The French word.]=100 

 kilograrus=2 cwt. nearly. 



Quintane, (kwin'tan). [L. quintus, fifth.] rs 

 Amyl hydride; v. Hydrocarbons. 



Quintanes, (kwin'tanz). [Quintane, q.v.] 

 C5Hi2=Pejitanes; v. Hydrocarbons. 



Quintene, (kwin'ten). [L. quintus, fifth.] V. 

 Hydrocarbons. 



Quintine, (kwin'tin). [L. quintus, fifth.]= 

 Valerylene: CsHg; v. Hydrocarbons. 



Quintone, (kwin'ton). [L. quintus, fifth.]= 

 Valylene: CgHg; v. Hydrocarbons. 



Quintune, (kwin'tun). [L. quintus, fifth.] v. 

 Hydrocarbons. 



Quiscalinae, (kwis-kal'i-ne). [Quiscalus, the 

 typical genus.]=Grakles: a family of star- 

 ling-like birds, belonging to Sturiiidaa. 



Quoins, (kwoinz). [F. coin, corner.] ^Corner- 

 stones. 



Quotient, (kwS'shent). [L. quoties, how many 

 times.] The result of dividing one number 

 by another; e.g., if 12 be divided by 3, tho 

 quotient is 4. 



