GLOSSARY. 



Ellip'tic (Gr. e'/f, elf, out ; Ae i, 

 leipo, I leave). Relating to, or 

 having the form of, an ellipse. 

 Elonga'tion (Lat. e, from ; lonyiis, 

 long). A lengthening or stretch- 

 ing ; in astronomy, the apparent 

 recession of a planet from the sun. 

 Elutria'tion (Lat. e, from ; Gr. 

 Xovrpov, loutron, a bath). The 

 process of removing lighter matter 

 from a powdered solid substance by 

 washing it with water, and pouring 

 off the latter. 



Ely'trum (Gr. eAuw, eluo, I roll over 

 or cover). The outer sheath which 

 protects the body and membranous 

 wings in beetles. 



Emana'tion (Lat. e, out ; mano, I 

 flow). That which issues from any 

 substance or body. 



Emar'ginate (Lat. e, from ; margo, a 

 margin). Having a piece appa- 

 rently notched or bitten out of the 

 margin. 



Embank'ment. The act of surround- 

 ing by a bank ; a structure raised 

 to protect lands from the overflow 

 of rivers or the sea. 

 Emboss' (Fr. en, in ; bosse, a stud or 

 knob). To form bosses or protu- 

 berances ; to ornament by the for- 

 mation of ornaments in relief or 

 projecting from the surface. 

 Em'bouchure (Fr. louche, a mouth). 



The mouth of a river, &c. 

 Embroca'tion (Gr. ty en, in ; pexo>, 

 brecho, I moisten). A mixture of 

 oil, spirit, &c., with which any 

 part of the body is rubbed. 

 Em'bryo (Gr. en/3pvov, em'bruon). 

 The first or rudimentary form of 

 an animal or vegetable. 

 Embryog'eny (Gr. fyfyvov, em'bruon, 

 an embryo ; yevvcuo, gennao, I 

 produce). The development of the 

 embryo. 



Embryology (Gr. fyppvov, em'bruon, 

 an embryo ; \oyos, logos, a de- 

 scription). A description of the 

 foetus or embryo. 



Emer'sion (Lat. emer'go, I issue out). 

 In astronomy, the passage of a satel- 

 lite out of the shadow of a planet. 

 Emetic (Gr. e>eo>, em'ed, I vomit). 

 Producing the act of vomiting. 



Eminence (Lat. emin'eo, I stand 

 above others). In anatomy, a gene- 

 ral term for a projection on a bone. 



Emollient (Lat. e, from ; mol'lis, 

 soft). Softening or relaxing. 



Emphyse'ma (Gr. eV, en, in ; fyvaaw, 

 phusdo, I blow). Distension with 

 air. 



Empiric (Gr. eV, en, in ; -rreipa, 

 peira, experience). Properly, one 

 who makes experiments ; a physi- 

 cian whose knowledge consists in 

 observation alone ; but commonly 

 applied to a quack. 



Empirical (Gr. *V, en, in ; Trupa, 

 peira, experience). Relating to or 

 derived from simple experience or 

 observation, without the aid of 

 science. 



Empiricism (Gr. ep, en, in ; -jretpa, 

 peira, experience). Practice on the 

 ground of experience alone. 



Emprosthot'onos (Gr. f/j.irpoardej/, 

 empros'then, before ; reivw, tei'no, I 

 stretch). A form of tetanus iu 

 which the body is bent forward. 



Empye'ma (Gr. eV, en, in ; TTVOV, 

 puon, pus). A collection cf pus in 

 the cavity of the chest. 



Empyreu'ma (Gr. eV, en, in ; irvpevw, 

 pureuo, I set on fire). A disagree- 

 able smell arising from the burning 

 of animal and vegetable matter. 



Empyreumatlc (Gr. eV, en, in ; irv- 

 pevw, pureuo, I set on fire). Having 

 the taste or smell of slightly buntf 

 animal or vegetable substances. 



Enrol' gent (Lat. e, out ; mul'geo, I 

 milk). Milking or drawing out : 

 applied to the blood-vessels of the 

 kidneys, which were supposed to 

 strain the serum. 



Emulsion (Lat. e, from ; mul'geo, I 

 milk). A milk-like substance, 

 produced by rubbing oil with sugar 

 or gum, &c., and water. 



Emnnc'tory (Lat. emun'go, I wipe 



out). Removing excreted matter. 

 Enai'nia (Gr. tv, en, in ; aifj-a, haima, 

 blood). Having blood ; applied by 

 Aristotle as a distinctive character 

 of certain animals. 



Enaliosau'rians (Gr. eV, en, in ; oAs, 

 hals, the sea ; aavpos, sauros, a 

 lizard). A name given to some 



