E I D 2 



EDUC'TION PIPE. In steam-engines, the 

 ptpe through which the steam escapes 

 after fulfilling its duty. 



EDBLCORA'TION, from edulco, to sweeten. 



1. The freeing of any substance from 

 saline matter by affusion of water. 



2. The sweetening of a medicine by addi- 

 tion of a saccharine substance or sugar. 



EEL. In ichthyology, the popular name 

 of all the species of the genus Murana, 

 Lin. The common eeliis the M. anguilla. 

 The Conger-eel (JIT. conger, Lin.), is found 

 in all the seas of Europe. The electric eel 

 or cramp fish is a species of Gymnotus. 



EEL-POT, a sort of basket used for catch- 

 ing eels. 



EEL-SPEAR, a forked instrument used 

 for catching eels by stabbing them. 



EFFECT', Lat. effectus, that which is pro- 

 duced by a cause ; the consequence of a 

 cause. In physics, it is an axiom that 

 effects are proportional to their adequate 

 causes. In the arts, effect is taken as the 

 sensation which a work of design pro- 

 duces or ought to produce upon the mind 

 of the spectator : to produce a proper 

 effect, therefore, the parts require to be 

 harmoniously disposed or to be hugely 

 great. In law, the word is used in the 

 plural effects, for the moveable goods of a 

 person. 



EFFEC'TION , from effect ; the geometrical 

 construction of a proposition. The term 

 is also used in reference to problems, 

 which, when they are deduced from, or 

 founded upon, some general propositions, 

 are called the geometrical effections of them. 



EFFES'DI, a Turkish word meaning lord. 

 Applied to civil functionaries, in contra- 

 distinction to aga or military personages. 



EFFLO&ES'CENCE, from effloresco, to flower 

 0?os, a flower). 1. In botany, the produc- 

 tion of flowers. 2. In chemistry, the 



formation of a soft, white powdery sub- 

 stance in minute spiculoe on the surface 

 of s;iline crystals. It takes place either 

 by the abstraction of their water of crys- 

 tallisation by the air, as in the case of 

 carbonate of soda, or by the absorption of 

 oxygen from the air, as in the case of 

 alum-schist. 3. In pathology, any mor- 

 bid redness of the skin, as in scarlatina. 



EFFLU'VIA, plural of effluvium, from ef 

 fitu>, to flow out ; the particles which con 

 tinually exhale from most if not all bodies 

 in nature. The term is commonly re- 

 stricted to such exhalations as are noxious 

 or disagreeable to the senses. Thus we 

 speak of the effluvia of putrefying matter, 

 contagious effluvia, &c. 



E.G., an abbreviation of exempli gratid, 

 for example ; for the sake of an instance. 



Eoo AND TONGUE. In architecture, or 

 naments scxilptured in the echinus and 

 Ionic volutes. 



EI'DOORAPH, from <*. likeness, and 



E L A 



, to write ; an instrument contrived 

 for the purpose of copying drawings. 



EIDOURA'NION, from titios, likeness, and 

 ovootvov, heaven; a delineation of the 

 heavens. 



EISTEDD'FOD, Welsh eistedd, to sit; the 

 assemblies of the Welsh bards. 



EJECTMENT. In law, a mixed action by 

 which a lessee when ousted may recover 

 his term and damages ; it is real as to the 

 lands, but personal as to the damages. 



ELJEAG'NUS, the Dutch myrtle or oleas- 

 ter ; a genus of trees. Tetrandria Mono- 

 gynia. Name from sAa/ev, oil, and ovyvos 

 chaste. Warm and temperate climates. 



EL^OSAC'CH.VRINE, from tXcttov, oil, and 

 trctzxaoiv sugar; containing oil and 

 sugar 



EL^OTE'RIDM, iXaiov, oil; an apartment 

 ji ancient baths where the bathers 

 anointed themselves. 



ELA'IDIC ACID, the name given by Bou- 

 det to an acid obtained by the saponiflca- 

 tion of etaidine. 



ELAIDINE, a substance resembling stea- 

 rine, obtained by the action of hyponitric 

 acid upon olive, almond, and some other 

 oils. The name is from fAcua, an olive. 



E'LAINE, from iXatiov, oil; the oily prin- 

 ciple of fats, which may be expelled by 

 pressure, or by digesting the fat in boiling- 

 alcohol ; upon cooling, the stearine preci- 

 pitates, and the elaine collects upon the 

 surface of the supernatant liquor. It is 

 called oleine by some chemists. 



ELA'IODIC ACID, an acid obtained from 

 elaine. 



i E'LAIS, the oil palm-tree ; a genus. Diaecia, 

 Hexandria. Name from iXanov, oil. 

 Hot climates. 



| ELAO'LITE, from EA<, an olive, and 

 XtQos, stone ; olive-stone ; a sub-species of 

 pyramidal felspar; colours dark-brown, 

 inclined to green, and flesh red inclined 

 to grey or brown. It is the fettstein (fat 

 stone) of Werner. 



EL\SMOTHE'RIT;M, a fossil animal nearly 

 allied to the rhinoceros : name from tXotot, 

 to drive, and $-r,eiM, a beast. 



ELAS'TIC, elasticity, from jAcwn;?, 

 (from thcttu), impulsor. A body is elastic 

 which has the power of returning to the 

 form from which it was made to deviate 

 by some external force ; and the force 

 which it exerts in endeavouring to re- 

 cover its posture is the measure of it 

 elasticity. If two bodies when struck to- 

 gether rebound and remain unaltered in 

 form, they are elastic; if their form be 

 j altered, they are non-elastic. If a body 

 I yield to compression, and return to its 

 former bulk when the pressure is re- 

 moved, it is elastic ; if it be not comprcc 

 si Me, or being so does not re-assume 1U 



