120 



GLOSSARY. 



Odom'eter (Gr. 68os, hod'os, a way ; 

 peTpov, met'ron, a measure). An 

 instrument for measuring the dis- 

 tance travelled over by the wheels 

 of a carriage. 



Odontal'gia {Gr. oSous, od'ous, a 

 tooth ; a\yos, algos, pain). Tooth- 

 ache. 



Odon'tograph (Gr. oSovs, od'ous, a 

 tootli ; ypacjxa, graph' u, I write). 

 An instrument for measuring and 

 designing the teeth of wheels. 



Odon'toid (Gr. oSous, od'ous, a tooth ; 

 etSos, eidos, shape). Like a tooth ; 

 applied in anatomy to a process of 

 the second vertebra of the neck, 

 also to ligaments connected with it. 



Odontol'ogy (Gr. oSous, od'ous, a 

 tooth ; A<>7os, logos, discourse). A 

 description of the teeth. 



Odoriferous (Lat. odor, smell ; fer'o, 

 1 carry). Giving or carrying scent. 



-QEcious (Gr. OIKOS, oikos, a house or 

 family). A termination used in 

 botany, in reference to the arrange- 

 ment of the stamens and pistils in 

 flowers. 



(Ede'ma (Gr. oi'Secw, oi'deo, I swell). 

 A swelling ; in medicine, a minor 

 form of dropsy, consisting in a 

 puffiness of parts from a collection 

 of fluid in the tissue beneath the 

 skin. 



(Edematous (Gr. otSew, oi'deo, I 

 swell). Having oedema. 



CEnan'thic (Gr. olvos, oinos, wine ; 

 avOos, anthos, a flower). A term 

 applied to a liquid or ether sup- 

 posed to give its aroma to wine. 



(Esoph/agus (Gr. olw, aid, I carry ; 

 (payo), phag'o, I eat). The gullet ; 

 the tube which conveys the food 

 from the mouth to the stomach. 



(Esophage'al ((Esoph'agus, the gul- 

 let). Belonging to the oesophagus. 



(Esophagot'omy (CEsoph'agus ; Gr. 

 Tf/u,v(a, temno, I cut). The opera- 

 tion of cutting into the oesophagus. 



Offic'inal (Lat. offici'na, a work- 

 shop). Kept in shops. 



Ogee. In architecture, a form of 

 moulding consisting of two mem- 

 bers, the one concave and the other 

 convex. 



-Old (Gr. et'Sos, eidos, form). A ter- 



mination implying likeness or alli- 

 ance. 



Oinoma'nia (Gr. olvos, oinos, wine ; 

 ^avia, ma' nia, madness). An in- 

 sane desire for wine or alcoholic 

 drinks. 



Old Red Sandstone. See Sandstone. 



Oleag'inous (Lat. o'leum, oil). Ha- 

 ving the properties of or containing 

 oil. 



O'leate (Lat. o'leum, oil). A com- 

 pound of oleic acid with a base. 



Olec'ranon (Gr. d-Ae^, olene, the 

 elbow ; Kpavos, kranos, a helmet). 

 The projecting part of the upper 

 end of the ulna, forming the back 

 of the elbow. 



Ole'fiant (Lat. o'leum, oil ; fac'io, I 

 make). Making oil ; applied to a 

 gas consisting of carbon and hydro- 

 gen, from its forming an oily 

 liquid when mixed with chlorine. 



Oleic (Lat. o'leum, oil). Belonging to 

 oil : applied to an acid obtained 

 from oil. 



O'lein (Lat. o'leum, oil). The thin 

 oily part of oils and fats. 



Olfac'tory (Lat. olfac'io, I smell). 

 Relating to the sense of smelling. 



Olfac'tory Nerves. The first pair of 

 nerves proceeding directly from the 

 brain, being the nerves of smelling. 



Oligse'mia (Gr. oAryos, ol'igos, little ; 

 alfji.a, haima, blood). That state 

 of the system in which there is a 

 deficiency of blood. 



Oligan'drous (Gr. 6\iyos, ol'igos, 

 few ; avrjp, aner, a male). Hav- 

 ing fewer than twenty stamens. 



Ol'igo- (Gr. 6\iyos, ol'igos, little). A 

 prefix in compound words, signify- 

 ing defect in quantity or number. 



Ol'ivary (Lat. oli'va, an olive). Re- 

 sembling an olive. 



Oma'sum. In comparative anatomy, 

 the third stomach, or manyplies, of 

 ruminant animals. 



Omen'tal (Omen'tum). Belonging to 

 the omentum. 



Omen'tum (Lat.). The caul : a fold 

 of the peritoneal membrane cover- 

 ing the intestines in front. 



OmniVorous (Lat. omnis, all ; voro, 

 I devour.) Eating both animal and 

 vegetable food. 



