86 



GLOSSARY. 



Ichthyosau'rtts (Gr. lx^, ichthus, a 

 fish ; ffavpos, sauros, a lizard). A 

 fossil animal, having a structure 

 between that of a lizard and a 

 fish. 



Ichthyo'sis (Gr. x0"s, ichthus, a 

 fish). A disease in which the body, 

 or parts of it, are covered by scales 

 overlapping each other like those of 

 a fish. * 



Icosahed'ron (Gr. /co<n, ei'kosi, 

 twenty ; e5/>a, hedra, a base). A 

 figure having twenty sides or 

 faces. 



Icosan'dria(Gr. ctwoo-t, ei'kosi, twenty; 

 avyp, aner, a man). A class of 

 plants having twenty or more 

 stamens on the calyx. 



Icter'ic (Lat. idterus, jaundice). Re- 

 lating to, or affected with jaundice. 



Ic'terus (Lat.). The jaundice. 



-Idae (Greek termination -iSrjs, -ides, 

 signifying descent). A termination 

 employed in zoology, signifying some 

 degree of likeness to the animal to 

 the name of which the termination 

 is affixed. 



-Ide. A termination applied in chem- 

 istry, to denote combinations of non- 

 metallic elements with metals, or 

 with other non-metallic elements. 



Idea (Gr. &So>, eido, I see). An 

 image or model formed in the mind. 



Ide'alism (Idea). A system of phi- 

 losophy, according to which what 

 we call external objects are mere 

 conceptions of the mind. 



Ideographic (Gr. i'5ea, idea ; ypaQw, 

 grapho, I write). Expressing ideas. 



Idiocy (Gr. iSiornp, idiotes, a private 

 or ignorant person). A state of 

 defective intellect existing from 

 birth. 



Idioelec'tric (Gr. tSios, id'ios, pecu- 

 liar or separate ; electric). Having 

 the property of manifesting elec- 

 tricity on friction. 



Id'iom (Gr. iSios, id'ios, proper or 

 peculiar). The form of speech pe- 

 culiar to a country. 



Idiomat'ic (Gr. iSios, id'ios, proper or 

 peculiar). Pertaining to the par- 

 ticular modes of expression be- 

 longing to a language. 



Idiopath'ic(Gr.(5tos, id'ios, peculiar; 



irados, path'os, suffering). Applied 

 to diseases which arise without any 

 apparent exciting cause. 



Idiosyn'crasy (Gr. iSios, idios, pecu- 

 liar ; ffiryicpa<ns, sunkra'sis, a mixing 

 together). A peculiarity of con- 

 stitution and susceptibility. The 

 disposition or habit of body cha- 

 racteristic, belonging to, and dis- 

 tinguishing an individual. Idio- 

 crasy. 



Id'iot (Gr. tSicuTTjs, idiotes, a private 

 or ill-informed person). A person 

 whose intellect is altogether deficient 

 from birth. 



Idol (Gr. elSci}\ov, eidolon, an image, 

 phantom, or fancy). A term used 

 by Bacon to denote fallacies of the 

 mind. 



Idols of the Den. The mental 

 fallacies arising from the nature of 

 the mind and body of the indi- 

 vidual. 



Idols of the Market. The fallacies 

 arising from reciprocal intercourse, 

 and the popular application of 

 words and names. 



Idols of the Theatre. The fallacies 

 arising from false theories or per- 

 verted laws of demonstration. 



Idols of the Tribe. The fallacies 

 inherent in human nature. 



Ig'neous (Lat. ignis, fire). Arising 

 from, or connected with fire ; in 

 geology, applied to the apparent 

 results of subterraneous heat. 



Ignis Fat'uus (Lat. foolish fire). A 

 luminous appearance sometimes 

 seen at night, and produced by the 

 combustion of phosphorus which 

 has escaped from organic matter. 



Ignition (Lat. ignis, fire.) A setting 

 on fire. 



I'leo- (Ileum). In anatomy, a prefix 

 denoting connection with, or rela- 

 tion to, the intestine called ileum. 



Ileo-coe'cal (Ileum ; ccecum). Be- 

 longing to, or lying between, the 

 ileum and coecum. 



H'eum (Gr. el\eca, ei'led, I roll). 

 The lower portion of xne small 

 intestines. 



H'iac (Lat. ilia, the flank). Be- 

 longing to the ileum ; or to the 

 bone called ilium. 



