WATERED-SILK REFLEX 



1612 



WEAL 



canker. Synonym of Cancrum oris. W.-cell, one 

 of several diverticula of the paunch of the camel, serv- 

 ing to store up water. W. -closet, an apparatus for 

 the reception of excrement, which is connected with a 

 sewer by a pipe, and in which water must be used to 

 carry away the excrement deposited in it. W. -closets, 

 Varieties of: I. Those in which there is no movable 

 apparatus for retaining water in the basin — the hopper 

 and wash-out closets. 2. Those in which there is a 

 movable apparatus — the pan, valve, and plug closets. 

 W. -colors. See Pigments, Colors, and Dyestuffs. 

 W. of Crystallization, the water employed in giving 

 molecular structure to the crystals of chemic salts, to 

 which their physical qualities are due. W.-cure. 

 See Hydropathy and Hydrotherapeutics. W., Dis- 

 tilled. See Aqua. W. -dressing, the treatment of 

 ulcers and wounds by the application of water. W\- 

 farcy, lymphangitis of the leg of a horse. W., 

 Florida, a perfume consisting of oleum bergamii ^ iv, 

 comp. tinct. benzoini ^ij, alcohol Oj. W.-gas, a 

 gas, non-luminous in its pure form, derived in part from 

 the decomposition of steam passed over ignited coals. 

 It is used as an illuminating gas when enriched by the 

 addition of a hydrocarbon, as petroleum or naphtha. 

 It is also used in metallurgic operations, in chemic 

 works, and in the laboratory. W. -gurgle Test, a 

 gurgling sound heard when water is swallowed on 

 auscultation over the seat of narrowing in cases of 

 organic stricture of the esophagus. W. -hammer 

 Pulse. See Corrigan 's Pulse. W., Hard, natural 

 waters containing soluble calcium salts, distinguished 

 by their curdling action on soap. W. -hemlock. See 

 Cowbane. W., Ice, water obtained by the melting of 

 ice. W. -immersion. See Objective. W., Javelle, 

 a solution of potassium hypochlorite, KCIO. W.- 

 jugs. Synonym of Varicella. W. -melon, the fruit 

 of Cucumis citrullus. Its sweet and watery fruit, and 

 especially the seeds, are diuretic. Unof. W., Min- 

 eral. See Mineral Water. W.-pang, pyrosis. 

 W. -passage, the urethra. W. -pepper. See Poly- 

 gonum hydropiperoides. W. -plantain. .See Alisma. 

 W.-pock. Synonym of Varicella. W.-pore, in 

 biology, an aperture in the epidermis of the leaves of 

 certain plants {e. g., Caladium esculentutn) directly over 

 the extremity of a vein. It is a modified stroma and 

 serves to facilitate the transpiration of water. W.- 

 pox, chicken-pox. W. -proof Drawing-ink, pow- 

 dered, bleached shellac 4 parts, borax I part, water 24 

 parts; dissolve by the aid of heat. To this solution the 

 coloring-principle, as India ink, lampblack, different 

 tints and shades of anilin colors, is added, after being 

 dissolved in or triturated with a small quantity of water. 

 W. -qualm, pyrosis. W., Rice. See Oryza. W., 

 Soda. See Soda-water. W., Softening of, the 

 process of removing from water certain mineral constit- 

 uents that render it "hard" or unsuited for technical 

 or domestic purposes. This may be accomplished 

 either by heat or the use of chemicals. The Clarke 

 Process of softening consists in bringing steam directly 

 into contact with the water. W. -vascular, in biology, 

 applied to the system of circulation of water through 

 the tissues of many invertebrates ; a respiratory process. 

 W. -wheel Sound. See Bruit de Moulin and Hydro- 

 pneumopericardiuni . 



Watered-silk Reflex. See Reflex. 



Waters (tvaw f -terz\ [ME., water, water]. Plural of 

 Water, q. v. W., Bag of. The amnion. See 

 Amnii, Liquor. W., False, a discharge of fluid 

 before labor, due to a catarrhal endometritis. 



Watt (wot) [after James Watt, the Scottish engineer]. 

 In electro-mechanics, one voltampere. See Volt and 

 Electric Units. 



Wattle {wot'-l) [ME., watel, a hurdle]. I. See 

 Mimosa-bark. 2. In biology, a lobe or flap of the 

 skin, usually paired and pendent, on the head and 

 near the mouth of certain birds, fishes, and mammals. 

 A dew-lap. a barbel. 



Wave (7udv) [ME., wave, wave]. A cycle of rhythmic 

 alternating movements. W. -lengths and Fre- 

 quencies of Light, the ethereal wave-lengths, to- 

 gether with their frequencies, of the visible portion of 

 the spectrum are given in the appended table. The 

 average vibrational frequency of white light has been 

 estimated at 554 millions of millions per second. W., 

 Pulse. See Pulse. 



TABLE OF THE WAVE-LENGTHS AND FREQUEN- 

 CIES OF LIGHT. 

 (From Daniell.) 



Line A 



Center of red, 



Line B, 



LineC, 



Center of orange-red, . . 

 Center of orange, . . . . 



Line D 1 , 



Line D* 



Center of orange-yellow, 



Center of yellow 



Center of green, . . . . 



Line E, 



Line b, 



Center of blue-green, . . 

 Center of cyan-blue, . . 



Line F, 



Center of blue 



Center of violet-blue, . . 



LineG 



Center of puce-violet, . . 



Line H\ 



Line H a 



Frequencies- 

 Per Skc 



Lengths 



in Cm. 



395,000,000 ,000,000 



437,300,000,000,000 

 457,700,000,000,000 



508,905,810,000,000 

 510,604,000,000,000 



570,000,000,000,000 



617,900,000,000,000 



697 ,300,000,000,000 



756,900,000,000,000 

 763*600,000,000,000 



.00007604 

 .00007000 

 .00006867 

 .00006562 

 .00006208 

 .00005972 



.00005889 

 .00005879 

 .00005808 

 .00005271 

 .00005269 

 .00005183 

 .00005082 

 .00004960 

 .00004861 

 .00004732 

 .0000 j 383 

 .00004307 

 .00004059 

 .00003968 

 .00003933 



Wavy {wa f -ve) [ME., wave, wave]. Of the nature of 

 a wave. W. Breathing. See Breath-sounds. 



Wax (?«;&) [ME.,wajr, wax]. I. To grow; to increase 

 in size. 2. See Cera and Cerumen. W., Bees'. 

 deposited by the honey-bee in the honeycomb. W., 

 Carnauba, obtained from the leaves of the carnaubt 

 tree ; it melts at 83 C. ; contains free ceryl-alcohol 

 and various acid esters. W., Chinese, ceryl cerotic 

 ester. W., Mineral. See Ozocerite. W. -myrtle. 

 See Myrica. W.-work. See Celastrus. 



Waxing (waks'-ing) [ME., waxen, to increase]. Grow- 

 ing ; increasing in size. W. -kernels, enlarged in- 

 guinal and submaxillary lymph-glands in chil 

 popularly associated with the growth of the child. W- 

 pains. See Growing Pains. W. and Waning 

 Pulse. See Pulsus inciduus. 



Waxy {woks' -e) [ME., wax, wax]. Of the nature of 

 or like wax. W. Degeneration. See , 

 tun. W. Kidney. See Bright'* s Disease. 



Weak {wlk) [ME., weik, weak]. Not strong. W. 

 Ankle, a condition in which there is an abnormal K 

 laxation of the ligaments of the ankle joint, with 

 such weakness of the leg-muscles as may alio 

 foot to bend involuntarily, either inward or outward, 

 in the act of standing or walking. li is comn 

 feel >le children. W. -minded, having a feeble i 

 tellect. 



Weaken (ive'-ken) [ME.,rf, weak]. To reduce th 

 strength. 



{wik'-nes) [ME., weik, weak]. 

 W., Inward, a popular term for lniker 



Weakness 



. U/henia. 

 rhea. 

 Weal («*/). 



I. Well-being. 2. See Ulwal. 



