CHRONOGRAPH 



296 



CHYLIFICATORY 



Chronograph [kron'-o-graf) \_Xp6voQ, time ; ypayeiv, to 

 write]. An instrument for graphically recording inter- 

 vals of time, in physiologic and psycho-physical 

 experiments. 



Chronoscope [kro' '-no-skop) [;£p<5roc, time ; ano-rrelv, to 

 inspect]. An instrument for measuring extremely 

 short intervals of time. C, A-form, an apparatus 

 introduced by Galton for measuring the time of 

 certain psycho-physical reactions. It is so called 

 from its outline, which somewhat resembles that of 

 the letter A. 



Chronosteal [kro-nos'-te-al) \_xpbvoc, time ; bareov, 

 bone]. Relating to the chronosteon. 



Chronosteon [kro-nos' -te-on) \_xp6vog, time (temporal) ; 

 octeov, bone]. The temporal bone. 



Chronothermal [kron-o-ther'-mal)\_xpbvor, time ; Oep/ia, 

 heat]. Pertaining to the theory that all diseases are 

 characterized by periods of intermitting chill and heat ; 

 relating to periodicity in changes of bodily tempera- 

 ture. 



Chroopsia [kro-op' -se-ah) \_xpba, color; dtpig, sight]. 

 See Chromalopsia. 



Chrotal Epithelium [kro'-tal ep-e-the' -le-uni). The 

 ectoderm. 



Chrotic (kro'-tik) [;tpwc, the skin]. Relating to the 

 skin. 



Chrotoplast [krof -o-plast) fjfpwc , skin ; •K'kaaaeiv, to 

 form]. A skin-cell ; a dermal or epithelial cell. 



Chrymar's Operation. See Operations, Table of. 



Chrysalis [kris' '-al-is) \_xpva6g, gold]. The pupa or 

 secondary stage in the transformation of insects. 

 So called from the golden color of certain chrysa- 

 lides. 



Chrysamin [kris'-am-in) [xP va °C> gold; amiti], C 26 H 16 - 

 N^OgNaj. Flavophenin ; a coal-tar color of the oxy- 

 azo group, used in dyeing. It dyes on cotton a sulphur- 

 yellow, remarkably fast to light. See Pigments, Con- 

 spectus of. 



Chrysanilin [kris-an'-il-in) \_xpvo6q, gold; anilin - ], 

 C 19 HjjN(NH 2 ) 2 . A body obtained as a by-product 

 in the manufacture of rosanilin. It crystallizes from 

 dilute alcohol in golden-yellow needles, melting at 

 about 268 . It is used largely as a dye-stuff, yielding 

 a very beautiful yellow color. See Pigments, Con- 

 spectus of. 



Chrysanisic Acid [kris-an-is'-ik). See Acid. 



Chrysarobin, or Chrysarobinum [kris-ar-o'-bin, or 

 kris-ar-o-bi' '-num) [^pucrdc, gold ; aroba (nat. East 

 Ind. ) , bark of a leguminous tree] , C 30 H 26 O 7 . A reduc- 

 tion-product of chrysophanic acid ; it occurs in goa- 

 powder and araroba-powder. It is a yellow-colored 

 powder, the product of the decay of Andira araroba, 

 a Brazilian tree. It is a gastro-intestinal irritant, and 

 is almost a specific when applied locally in psoriasis. It 

 stains the skin a dark yellowish-brown color, which 

 may be removed by a weak solution of chlorinated 

 lime. Dose, internally, gr. \-\. C, Ung., contains 

 10 per cent, of the drug with 90 per cent, benzoated 

 lard. 



Chrysaurin [kris-aw'-rin) [;rpw7<$c, gold ; aurum, 

 gold]. See Orange Colors. 



Chrysene {kris' -in) \_xpvaoq, gold], C 18 H 12 . A hy- 

 drocarbon derived from coal-tar. It is generally 

 colored yellow, but can be rendered perfectly colorless. 

 It is sparingly soluble in alcohol or ether ; melts at 

 250 C. (482 F.); boils at 436 ; crystallizes and sub- 

 limes in silvery leaflets, that exhibit an intense violet 

 fluorescence. 



Chrysenic Acid {kris-en'-ik). See Acid. 



Chrysin (kris'-in) [jpwr<Sc, gold], C 15 H, O 4 . A color- 

 ing-matter found in the buds of the European Black 

 Poplar. 



Chrysoidin (kris-oi'-din) [xpvoor, gold ; eldoc, like]. 

 I. C 12 H S N 4 C1. A coal-tar color used in dyeing. It 

 is the hydrochlorid of diamidoazobenzene. It consists 

 of dark-violet crystals soluble in water. It dyes bright- 

 yellow on silk and cotton. See Pigments, Con. 

 of. 2. C 7 H 22 4 . A yellow coloring-substance found 

 in asparagus berries. 



Chrysoin [kris'-o-in). See Orange Colors. 



Chrysolin [kris' '-o-lin) [xpvooq, gold; oleum, oil], 

 C 20 H 10 O 3 (OC 7 H 7 )OH. A coal-tar color of the phtha- 

 lein group, used in dyeing. It is the sodium salt of 

 benzyl-fluorescein. It produces a yellow color, similar 

 to that of turmeric, on silk, cotton and wool. 

 Pigments, Conspectus of. 



Chrysophan (kris'-o-fzn) \_xpvcoq gold ; mivm 

 show], C 16 H 18 8 . A yellow, crystalline body found 

 in rhubarb. It has a distinctly bitter taste, is readily 

 soluble in warm water and diluted alcohol, but insolu- 

 ble in ether. It is also called Chrysophanin. 



Chrysophanic Acid [kris-o-fan'-ik). See Acid. 



Chrysophanin (kris-o-fan'-in). See Crysophan, and 

 Pigments, Conspectus of. 



Chrysophyl [kris'-o-fil) \_xpva6q , gold ; tyvTJXov, a leaf]. 

 Xanthophyl ; a bright golden-yellow crystalline pig- 

 ment derived from leaves. 



Chrysorrhamnin [kris-or-am' -nin) [xpvcsoq , gold ; 

 vog, a prickly shrub]. The yellow pigment found in 

 French berries. See Pigments, Conspectus of. 



Chthonophagia, or Chthonophagy [thon-ofa' 

 or thon-off'-a-je) [^wv, earth; tyayelv, to eat]. Dirt- 

 eating ; geophagy. 



Churning Sound [churn' -ing sound). A peculiar 

 splashing-sound like that made by a churn, heard in 

 the chest in some cases of pleural effusion. 



Churrus [chur'-us) [Hind. ,charas'\. Hemp-resin. See 

 Cannabis. 



Chvostek's Sign. See Tetany; also Signs and Symp- 

 toms, Table of 



Chylaceous [ki-la'-se-us) \chylus, chyle]. Composed 

 of chyle. 



Chylangioma [ki-lan-je-o'-mali)\chylus,c\iy\e; a; 

 a vessel]. Retention of chyle in lymphatic \ 

 with dilatation of the latter. 



Chylaqueous ( kil-a' -kwe-us) \_x v 'or, chyle ; aqua, 

 water]. Like water and chyle. C. Fluid, the 

 ted food or nutritive fluid in the somatic or perii: 

 cavity of invertebrates; it is never enclosed in 

 tinct vessels and represents the blood of higher animals. 



Chyle (kll) \_xvl6$, juice]. The milk-white fluid ab- 

 sorbed by the lacteals during digestion. On standing, 

 it separates into a thin, jelly-like clot and a substance 

 identical with serum. C. -corpuscle, any float ii 

 of the chyle. These cells resemble, and are prol 

 identical with, the colorless blood-corpuscles. C- 

 gland, Cheshire's name for system 11, of the "sali- 

 vary glands " of bees. 



Chylidrosis [kil-id-ro'-sis) \_x^or, chyle ; ttfptxnf, a 

 sweating]. Milkiness of the sweat. 



Chylifaction (ki-le-, or kil-ifak'-shun) [cJtylus, - 

 facere, to make]. The forming of chyle from food. 



Chylifactive [ki-le-, or kil-if-ak'-tiv) \_ckylus, < 

 facere, make]. Chyle-forming. 



Chyliferous (ki-lif'-er-us) [c/iylus, chyle ; 



carry]. I. Chyle-forming. 2. Containing chylft 



Chylific [ki-ltf'-ik) [cliylus, chyle ; facere, to make]. 

 Making chyle ; pertaining to chylifaction. 



Chylification [ki-le-, or kil-ifik-a' -slum) [ 1 

 facere, to make]. The process by which the chyle is 

 formed, separated and absorbed by the villi oi the 

 small intestine. 



Chylificatory [ki-lif-ik-at-o-rc) [cliylus, chyle; / 

 to make]. Chyle-making. 



