Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
zooflagellate
zoogeography
zooglea
zoography
zooid
zookeeper
zool.
zoolatry
zoological
zoological garden
zoology
zoom
zoom in
zoom lens
zoom out
zoomastigote
zoombag
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

zone refining
zone re·fin·ing


noun 
Definition:
 
metal purification technique: a technique for greatly purifying metals in which a molten area is made to pass along an otherwise solid bar so that impurities become concentrated at one end
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft