18 



GLOSSARY. 



culty of breathing, occurring in par- 

 oxysms, with intervals of freedom. 



Asthmatic (Gr. do-fyia, asthma). Be- 

 longing to, or having asthma. 



As'tomous (Gr. d, a, not ; aro^a, 

 stoma, a mouth). Without a mouth. 



Astrag'arus (Gr. a,<npaya.\os, astro! - 

 galos, an ankle-bone). The bone 

 of the foot which forms part of the 

 ankle-joint. 



As'tral (Gr. da-rpov, astron, a star). 

 Belonging to. stars. 



Astric'tion (Lat. ad, to ; stringo, I 

 bind). The act of binding. 



Astrin'gent (Lat. ad, to ; stringo, I 

 tie fast). Binding or contracting. 



As'trolabe (Gr. da-rpov, astron, a star ; 

 AajSew, labein, to take). An in- 

 strument formerly used for taking 

 the altitude of the sun or stars. 



Astrol'ogy (Gr. dcrrpov, astron, a star; 

 \oyos, logos, a word or description). 

 The science which pretends to teach 

 the effects and influence of the 

 stars. 



Astrom'oter (Gr. dcnpov, astron, a 

 star ; ptrpov, metron, a measure). 

 An instrument for ascertaining the 

 relative brightness of stars. 



Astronomical (Gr. affrpov, astron, a 

 star ; VQ/J.OS, nomos, a law). Be- 

 longing to astronomy. 



Astron'omy (Gr. darpov, astron, a 

 star ; VO/JLOS, nomos, a law). The 

 science which describes the magni- 

 tude, position, motion; &c., of the 

 heavenly bodies, as taught by ob- 

 servation and mathematical calcu- 

 lation. 



Asymmetrical (Gr. d, a, not ; ow, 

 sun, with ; perpov, metron, a mea- 

 sure). Not consisting of similar 

 parts on each side. 



Asym'ptote (Gr. a, a, not ; aw, sun, 

 with ; TTTOW, ptoo, I fall). A line 

 approaching a curve, but never 

 meeting it. 



Atax'ic (Gr. d, a, not ; Tcurffu, tasso, 

 I put in order). Wanting order ; 

 irregular. 



Ate (Lat. term. atus). In chemistry, 

 a termination applied to compounds 

 of which the acid contains the 

 largest quantity of oxygen. 



Atelec'tasis (Gr. a, a, not ; reAos, 



telos, an end ; fxreivca, eTctei'nG, I 

 stretch out). Imperfect expansion. 



Atheric'era (Gr. o%>, ather, a spike 

 of corn ; Kepas, leer as, a horn.) A 

 section of dipterous insects, having 

 only two or three joints to the an- 

 tennae. 



Ather'mancy (Gr. d, a, not ; Qep^aivu, 

 thermal no, I make warm). The 

 property of transmitting the light 

 but not the heat of the sun. 



Ather'manous (Gr. d, a,not ; dfp/j.au>u, 

 thermal' no, I make warm). Inca- 

 pable of transmitting heat. 



Athero'ma (Gr. ddapa, athara, 



j, athere, a porridge of meal). 

 A diseased state of blood-vessels 

 and other structures of the body, 

 characterised by a soft pulpy de- 

 posit. 



Atlas (Gr. 'ArAas, Atlas, a mytholo- 

 gical personage, who was said to 

 carry the world on his shoulders). 

 The first vertebra of the neck ; so 

 called because the head rests on 

 it. 



Atmom'eter (Gr. dr^os, atmos, va- 

 pour ; fjitrpov, metron, a measure). 

 An instrument for measuring the 

 amount of evaporation from a moist 

 surface in a given time. 



At'mosphere (Gr. dr/j-os, atmos, va- 

 pour ; (r<paipa, sphaira, a ball or 

 globe). The mass of air surround- 

 ing the earth ; also applied to any 

 gas surrounding an auimal or other 

 body. 



Atmospheric Pressure. The weight 

 of the atmosphere on a surface ; the 

 mean being 14*7 pounds to the 

 square inch. 



At'oll. A coral island, consisting of 

 a circular belt or ring of coral, with 

 a lagoon or lake in the centre. 



Atom (Gr. d, a, not ; T,UI/, temno, 

 I cut). A particle of matter which 

 can no longer be diminished in size. 



Atomic (Gr. dro/ios, at'omos, an 

 atom). Relating to atoms. 



Atomic Theory. An hypothesis in 

 chemistry, which teaches that the 

 atoms of elementary substances 

 become combined in certain definite 

 proportions. 



Atonic (Gr. d, a, not; retvw, teino, 



