GLOSSARY. 



53 



companied by blood, mucus, or 

 other morbid matter. 



Dyspep'sia (Gr. Bvs, dus, badly; 

 7re7rru>, pepto, I digest). Indi- 

 gestion ; difficulty of digestion. 



Dyspha'gia (Gr. Sus, dus, badly; 



<pay w, phayo, I eat). Difficulty of 

 swallowing. 



Dyspnoe'a (Gr. Svs, dus, badly ; irve co, 

 pneo, I breathe). Difficult breath- 

 ing. 



Earth. In chemistry, an oxide of a 

 metal : but applied especially to the 

 oxides and salts of barium, calcium, 

 magnesium, and aluminium. 



Ebrac'teate (Lat. e, from ; brac'tea, 

 a bract). Without bracts. 



Ebullition (Lat. e, out ; bulla, a 

 bubble). Boiling ; the formation 

 by heat of bubbles of vapour within 

 a liquid, which rise to the surface. 



Eburna'tion (Lat. ebur, ivory). A 

 rendering dense like ivory ; the 

 excessive deposition of compact 

 osseous matter which sometimes 

 takes place in diseased states of 

 bones. 



Eccen'tric (Gr. e'/c, ek, from ; Ktvrpov, 

 kentron, a centre). Deviating from 

 a centre ; incapable of being brought 

 to a common centre. 



Eccentricity (Gr. e'/c, ek, from ; 

 KevTpov, kentron, a centre). The 

 state of being eccentric ; the dis- 

 tance between theceutre of an ellipse 

 and either of its foci. 



Ecchymo'sis (Gr. e'/c, ek, out ; x v ^ os ^ 

 chumos, juice). An effusion of blood 

 under the skin ; a bruise. 



Eccoprotlc (Gr. e'/c, ek, out; Koirpos, 

 kopros, dung). Promoting the dis- 

 charge from the bowels. 



Ec'dysis (Gr. <?/c, ek, out ; 5uo>, dud, 

 I put on). A casting off or moulting. 



EcMnococ'cus (Gr. e'x^os, echi'nos, a 

 hedgehog ; KOKKOS, kokkos, a berry). 

 A parasitic animal, consisting of a 

 membranous sac or bag, and pro- 

 vided with a series of minute 

 hooks. 



Echinoder'mataor Echi'nodenns (Gr. 

 exivos, echi'nos, a hedgehog ; 5ep/j.a, 

 derma, a skin). A class of inverte- 

 brate animals, the bodies of which 

 are covered by a thick covering or 

 shell, often with spikes. 



Echom'eter (Gr. rjxew, echo, sound ; 

 fj.erpou, metron, a measure). An 

 instrument for measuring the dura- 

 tion of sounds, and their intervals. 



Eclamp'sia (Gr. e/c, ek, from ; Xa^ca, 

 lampo, I shine). An appearance of 

 flashing of light which attends epi- 

 lepsy ; but now applied to epilepsy 

 or convulsive disease itself. 



Eclec'tic (Gr. e'/c, ek, out ; \tyca, legb, 

 I choose). Selecting or choosing ; 

 selected. 



Eclips'e (Gr. e'/c, ek, from; \enrca, 

 leipo, I leave). A failure ; an inter- 

 ception of the light of the sun, 

 moon, or other luminous body. 



Eclip'tic (Gr. e'/c, ek, from ; Aet-ro, leipo, 

 I fail). The circle of the heavens 

 which forms the apparent annual 

 path of the sun : so called because 

 eclipses can only take place when 

 the moon is very near it. 



Ecliptic Limits. In astronomy, the 

 limits within which an eclipse of the 

 sun or moon may occur. 



Econ'omy (Gr. OIKOS, oikos, a house ; 

 VQ/J.OS, nomos, a rule). The regula- 

 tion of a family or household ; the 

 operations of nature in the formation 

 and preservation of animals and 

 plants. 



Ec'stacy (Gr. e'/c, ek, out ; iVr^ut, 

 histemi, I make to stand). A 

 state in which the senses are sus- 

 pended in the contemplation of some 

 extraordinary object. 



Ecthlip'sis (Gr. e'/c, ek, from ; e\i/3a>, 

 thlibd, I press or rub). In Latin 

 grammar, the cutting off in pro- 

 nunciation the. final syllable of a 

 word ending in m, when the next 

 word begins with a vowel. 



Ecto- (Gr. e'/cros, ektos, outside). A 

 prefix in some compound words, 

 signifying outside. 



