GLOSSARY. 



19 



I stretch or tighten). Weakened ; 

 characterised by want of energy. 



At'ony (Gr. a, a, not ; reivu, teino, 

 I stretch or tighten). Want of 

 power. 



At'rophy (Gr. a, a, not ; rpe^xw, tre- 

 pho, I nourish). Want of nourish- 

 ment ; a wasting. 



At'ropous (Gr. a, a, not ; Tpeirw, 

 trepd, I turn). Not turned ; in 

 botany, applied to that form of the 

 ovule or seed, in which its parts 

 have undergone no change of posi- 

 tion during growth. 



Attendant (Lat. ad, to; ten'uis, thin). 

 Making thin; diluting. 



Atten'uate(Lat. ad, to; ten'uis, thin). 

 To make thin. 



Attol'lent (Lat. ad, to ; tollo, I raise). 

 Lifting up. 



Attraction (Lat. ad, to; traho, I 

 draw). A drawing towards ; the ten- 

 dency of bodies to unite or cohere. 



At'trahent (Lat. ad, to ; traho, I 

 draw). Drawing towards. 



Attrif ion (Lat. ad, to ; tero, I rub). 

 The act of wearing by. rubbing 

 together. 



Auditory (Lat. au'dio, I hear). Be- 

 longing to the sense or organ of 

 hearing. 



Auglte(Gr. av-yn, auge, bright light). 

 A mineral, closely allied to horn- 

 blende, entering into the composition 

 of many trap and volcanic rocks. 



Au'ricle (Lat. auric'ula, a little ear). 

 The external part of the ear ; also 

 apart on each side of the heart, from 

 resembling the ears of animals. 



Auric'ular (Lat. auric'ula, alittleear). 

 Belonging to an auricle. 



Auric'ulate (Lat. auric'ula). Shaped 

 like a little ear ; in botany, applied 

 to leaves which have the lobes at 

 the base forming distinct segments 

 like little ears. 



Auric'ulo-ventric'ular. Belonging to, 

 or lying between the auricles and 

 venti'icles of the heart. 



Auriferous (Lat. aurum, gold ; fero, I 

 produce). Yieldingorproducinggold. 



Au'riform (Lat. auris, an ear ; forma, 

 form). Shaped like an ear. 



Ausoulta'tion (Lat. ausculto, I listen). 

 The act of listening : applied, in 



medicine, to a means of distinguish- 

 ing the condition of internal parts 

 by listening to the sounds which 

 are produced in them. 



Austral (Lat. auster, the south wind). 

 Belonging to the south : applied to 

 that pole of the magnet which points 

 to the south. 



Autoch'thon (Gr. euros, autos, self; 

 X^v, chtkon, the earth). Origin- 

 ating from the earth of the country ; 

 indigenous. 



Autog'enous (Gr. euros, autos, self ; 

 yevi/aw, gennao, I produce). Self- 

 produced : applied to those parts 

 of a vertebra which are developed 

 from independent centres of ossifi- 

 cation. 



Au'tograph (Gr. euros, autos, him- 

 self ; ypaipw, grapho, I write). The 

 actual signature of an individual. 



Autographic Telegraph. An electric 

 telegraph for transmitting messages 

 in the handwriting of the person 

 sending them. 



Automatic (Gr. euros, autos, self; 

 /now, mad, I move). Having me- 

 chanical movement, as an automaton : 

 applied, in physiology, to muscular 

 movements* produced independently 

 of the will ; self-moving. 



Autom'aton (Gr. avros, autos, self; 

 /JLCUI), mao, I move). A machine 

 which, by means of mechanical 

 contrivances, imitates the motion 

 of living animals. 



Au'topsy (Gr. euros, autos, self : oij/ts, 

 opsis, sight). Direct or personal 

 observation ; applied especially to 

 an examination of the body after 

 death. 



Auxiliary (Lat. auxil'ium, help). 

 Aiding ; taking a share of labour. 



AValanche (Fr.) An accumulation of 

 snow, or of snow and ice, descend- 

 ing from mountains. 



Aves (Lat. birds). A class of ovi- 

 parous vertebrate animals with 

 double circulation, mostly organised 

 for flight. 



Avic'ula (Lat. a little bird). An un- 

 equal valved shell, fixing itself by 

 a byssus. 



Avic'uloid (Avic'ula; Gr. e'iSoy, etdos, 

 form). Like anavicula. 

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