GLOSSARY. 



fil 



uniting words or sentences, but dis- 

 joining the sense. 



Disk (Gr. SHTKOS, diskos, a quoit). In 

 astronomy, the surface of the sun, 

 moon, or planet, as it appears to an 

 observer on the earth ; in botany, 

 a body seated between the base of 

 the stamens and the base of the 

 ovary ; also the central parts of a 

 radiate compound flower. 



Dis'locate (Lat. dis, from ; locus, a 

 place). To put out of place. 



Dislocation (Lat. dis, from ; locus, a 

 place). A putting out of place. 



Disper'mous (Grr. Sis, dis, double ; 

 0-rrfpfj.a, sperma, a seed). Having 

 two seeds. 



Disper'sion (Lat. dis, apart ; spargo, 

 I scatter). A scattering ; in optics, 

 the separation of the coloured rays 

 of light in passing through a prism, 

 varying according to the refracting 

 power of the material of which the 

 prism is composed. 



Disrup'ted (Lat. dis, apart ; rumpo, 

 I break). Violently torn apart. 



Disruption (Lat. dis, apart ; rumpo, 

 I break). A rending asunder; in 

 geology, a displacement in the crust 

 of the earth by earthquakes, or 

 other disturbing causes. 



Dissec'tion (Lat. dis, apart ; seco, I 

 cut). A cutting in pieces ; the 

 cutting up an animal or vegetable 

 to ascertain its structure. 



Dissep'imeat (Lat. dis, from ; sepes, 

 a hedge). A partition in an ovary 

 or fruit. 



Dissolu'tion (Lat. dis, from ; solvo, I 

 loosen). Melting ; the separation 

 of the particles of a body from each 

 other. 



Dissolve (Lat. dis, apart; solvo, I 

 loosen). To melt ; to separate the 

 particles of a substance from each 

 other. 



Dissyllable (Grr. Sis, dis, double ; 

 o-uAAa/377, sul'labe, a syllable). A 

 word of two syllables. 



Dis'tal (Lat. dis, apart ; sto, I stand). 

 At a distance from a given line or 

 point. 



Dis'tichous (Gr. Sis, dis, double ; 

 VTIXOS, stichos, a row). Arranged 

 in two rows. 



Distil' (Lat. dis, from ; stilla, a 

 drop). To let fall in drops ; to 

 separate a lighter fluid from another 

 by heat or evaporation, the vapour 

 being cooled and falling in di-ops 

 into a vessel placed to receive it. 



Dis'tillation (Lat. dis, apart ; stilla, 

 a drop). The process by which 

 substances are separated which rise 

 in vapour at different degrees of 

 heat, or by which a volatile liquid 

 is parted frgm a substance incapable 

 of volatilisation. 



Distortion (Lat. dis, apart ; torqueo, 

 I twist). A twisting out of regular 

 shape ; in optics, the change in the 

 form of an image depending on the 

 form of the lens. 



Diu'resis (Gr. Sta, dia, through ; 

 ovpov, ouron, urine). An increased 

 flow of urine. 



Diuretic (Gr. 5m, dia, through ; 

 ovpov, ouron, urine). Increasing 

 the secretion of urine. 



Diur'nal (Lat. diurnus, daily). Re- 

 lating to, or performed in a day. 



Divarica'tion (.Lat. di, apart ; va'rico, 

 I straddle). A branching at an 

 obtuse angle. 



Divel'lent (Lat. di, apart ; vello, I 

 pull). Drawing asunder. 



Divertic'ulum (Lat. di, apart ; verto, 

 I turn). A turning aside ; a short 

 blind tube branching out of a larger 

 one. 



Divisibility (Lat. di'vido, I divide). 

 The property of bodies by which 

 their parts are capable of being 



Dodeca- (Gr. SwSe/co, dodeka, twelve). 

 A prefix in compound words, signi- 

 fying twelve. 



Dodec'agon (Gr. Sw8eo, dodelca, 

 twelve ; ycavia, gonia, an angle). 

 A figure consisting of twelve equal 

 sides and angles. 



Dodecagynla (Gr. SwSe/ca, dudeka, 

 twelve; 70^77, gune, a female). An 

 order of plants in the Linnaean 

 system having twelve pistils. 



Dodecahed'ron (Gr. SwSe/ca, dodelca, 

 twelve : eSpa, hedra, a seat or face) 

 A solid figure having twelve equal 

 bases or sides. 



Dodecan'dria (Gr. SwSewra, dudela, 

 E 2 



