GLOSSARY. 



55 



logos, discourse). The department 

 of physical science which treats of 

 electricity. 



Elec'tro-dynamlc (Electricity; Gr. 

 8vi/a/j.is, du'namis, power). lle- 

 latiug to electricity in motion, and 

 producing its effects. 



Electroly'sis (Electricity; Gr. Auo>, 

 luo, I loosen). Decomposition by 

 an electric current. 



Elec'tro-magnet'ic (Electricity; ma<j- 

 net). llelating to magnetism as 

 connected with electricity. 



Elec'trolyte (Electricity; Gr. Av&>, 

 luo, I loosen). A body capable of 

 being decomposed by an electric 

 current. 



Elec'tro-metallur'gy (Electricity; Gr. 

 jUeraAAoj', metal'lon, a metal; epyov, 

 ergon, a woi'k). The art of de- 

 positing metals from solutions of 

 their salts, by the voltaic current, 

 on other bodies. 



Electrom'eter (Electricity; Gr.juerpoz', 

 metron, a measure). An instru- 

 ment for measuring the intensity of 

 the electricity of a body. 



Elec'tro-mo'tive. Moving by means 

 of electricity : applied by Volta to 

 the power of decomposition by the 

 electric current. 



Elec'tro-neg'ative. Having negative 

 electricity, and appearing at the 

 positive pole of a voltaic battery. 



Elec'troph'orus (Electricity ; Gr. 

 4>ep, pheru, I bear). An appara- 

 tus for collecting electricity, for 

 the purpose of fixing gaseous mix- 

 tures in close vessels. 



Elec'tro-pla'ting. The process of 

 depositing a coating of metal on some 

 other metal or substance by means 

 of electric action. 



Elec'tro-pos'itive. Having positive 

 electricity, and appearing at the 

 negative pole of the voltaic battery. 



Elec'troscope (Electricity ; Gr. 

 (TKOTrew, skop'eo, I look). An in- 

 strument for measuring the inten- 

 s.ty of electricity. 



Electrostatic (Electricity ; Gr. 

 a-rariKos, stat'ikos, stationary). 

 Relating to electricity in a state of 

 equilibrium. 



Elec'tro-teleg'rapliy (Electricity; Gr. 



e, tele, far off; ypcKfxa, grapho, 

 I write). The application of elec- 

 tricity to the conveying of mes- 

 sages. 



Elec'tro-type (Electricity; Gr. TWOS, 

 tupos, a type). The process of 

 copying medals, plates, &c., by 

 means of depositing metals from a 

 solution by a galvanic current. 



Elec'tuary (Gr. e'/c, ek, out ; Aeix w > 

 leicho, I lick). A medicine made 

 in the form of a confection. 



El'ement (Lat. elemen'tum). The 

 first principle or constituent part 

 of anything ; in chemistry, espe- 

 cially, any substance which has 

 resisted all efforts to decompose it ; 

 in anatomy, the autogenous or pri- 

 mary part of a vertebra. 



Elemen'tary (Lat. elemen'tum). Pri- 

 mary ; incapable of further ana- 

 lysis. 



Elepiianti'asis (Gr. e'Ae<as, el'ephas, 

 an elephant). A disease of the 

 skin, attended with much thicken- 

 ing and the formation of tubercles. 



Eleva'tion (Lat. c, from ; levo, I 

 raise.) A raising ; in astronomy, 

 the distance of a heavenly body 

 above the horizon ; in trigonometry, 

 angle of elevation is the angle 

 formed by two lines drawn in the 

 same vertical plane from the obser- 

 ver's eye, one to the top of the 

 object and the other parallel to the 

 horizon ; in architecture, a drawing 

 of the front or a face of a building. 



Eleva'tor (Lat. e, from ; levo, I raise). 

 A lifter or raiser. 



Elim'inate (Lat. e, out ; limen, a 

 threshold). To thrust out ; to 

 remove or expel. 



Elision (Lat. cli'do, I strike out). A 

 cutting off or suppression of a 

 vowel at the end of a word. 



Ellipse (Gr. K, ek, out ; AeiTrw, 

 leipo, 1 leave). An oval figure, 

 produced by the section of a cone 

 by a plane cutting both sides ob- 

 liquely ; in grammar, an omission 

 of words. 



Ellips'oid (Ellipse; Gr. eltios, eidos, 

 form). A figure formed by the 

 revolution of an ellipse round its 

 axis. 



