200 



GLOSSARY. 



capital, &c. ; in botany, (plural 

 vittce,) the receptacles of oil in the 

 fruits of umbelliferous plants, as 

 anise, carraway. fennel, &c. 



Viftate (Lat. viita, a band). In 

 botany, applied to leaves which are 

 striped. 



Vivip'arous (Lat. vivus, alive ; par'io, 

 I bring forth). Bringing forth 

 young alive ; in botany, applied to 

 stems that produce leaf buds or 

 bulbs in place of fruit. 



Vocab'ulary (Lat. vocab'ulum, a 

 word). A list of the words of a 

 language. 



Vo'cative (Lat. vo'co, I call). Calling. 



Vol'atile (Lat. volo, I fly). Having 

 the power of flying; capable of easily 

 passing into an aeriform state. 



Volatility (Vol'atile). Capability of 

 rising in an aeriform state. 



Volatilize (Vol'atile}. To cause to 

 pass off in vapour, or in an aeriform 

 state. 



Volcanic (Volca'no}. Belonging to 

 * or produced by volcanoes ; thrown 

 out by volcanic eruptions. 



Volca'no (Italian, from Latin Vul- 

 ca'nus, the god of fire). An open- 

 ing in the surface of the globe, 

 generally in a mountainous eleva- 

 tion, giving issue from time to time 

 to eruptions of melted matter. 



Volition (Lat. volo, I will). The act 

 of willing. 



Voltaic (Volta). Eclating to vol- 

 taism. 



Voltaic Bat'tery. An apparatus con- 

 sisting of a series of pairs of plates of 

 different metals as zinc and copper 

 immersed in fluid, and con- 

 nected by wires, for the develop- 

 ment of voltaic electricity. 



Voltaic Electricity. The form of 

 electrical action discovered by Gal- 

 vani, but first correctly described 



by Volta, in which, any two con- 

 ductors of electricity being brought 

 into contact, an electric action is 

 set up. 



Vol'taism (Volta}. A term for gal- 

 vanism as produced by Volta' s 

 apparatus. 



Voltam'eter (Volta; Gr. p.erpov, met'- 

 ron, a measure). An instrument 

 for measuring the amount of a cur- 

 rent of voltaic electricity by means 

 of the quantity of water decomposed 

 in a given time. 



Vol'iime (Lat. volvo, I roll). Origin- 

 ally something rolled ; as much as 

 is included in a roll ; dimension ; 

 in chemistry, the relative or com- 

 parative measure of the combining 

 atoms of gases. 



Vol'untary (Lat. volun'tas, will). In 

 physiology, acting under the direc- 

 tion of the will ; produced by the will. 



Volu'te (Lat. vol'vo, I roll). In ar- 

 chitecture, a kind of spiral scroll 

 used in capitals. 



Vo'mer (Lat. a ploughshare). In 

 anatomy, the small flat bone which 

 separates the nostrils from each 

 other. 



Vor'tex (Lat. from verto, I turn). A 

 whirlpool. 



Vul'canist (Lat. Vulca'nus, the god of 

 fire). In geology, a term applied 

 to the supporters of an hypothesis 

 which supposed that the older 

 rock formations were of volcanic or 

 igneous origin. 



Vulcaniza'tion. A process of prepar- 

 ing india-rubber by impregnating it 

 with sulphur. 



Vul'nerary (Lat. wdnus, a wound). 

 Useful in healing wounds. 



Vulsellum (Lat. vello, I pull or 

 pluck). A surgical instrument for 

 seizing parts and drawing them into 

 a convenient position for operation. 



W. 



Wacke. In geology, a Gei-man term 

 for a soft earthy variety of trap-rock. 



Weald-clay. In geology, the blue 

 clay which forms part of the Weal- 

 den group. 



Wealdeu (Sax. wold). In geology, 



a deposit prevailing in Kent and 

 Sussex, consisting chiefly of clays 

 and shales, with beds of indurated 

 sand, sandstone, and shelly lime- 

 stone. 

 Weight (Sax. wiht). The pressure 



