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valentine
Valentine’s Day
valerian
valeric acid
valet
valet de chambre
valet parking
valeta
valetudinarian
Valhalla
valiant
valid
validate
validated export license
valine
valise
Valium
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valence electron
va·lence e·lec·tron (plural va·lence e·lec·trons)


noun 
Definition:
 
electron in outer shell of atom: an electron in an outer shell of an atom that can be lost to or shared with another atom to form a molecule
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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