Medical Dictionary
Main Entry:
de·col·or·ize Variants:
or British de·col·our·ize also de·col·our·ise /(')dE-'k&l-&-"rIz/ Function:
transitive verb Inflected Forms:
-or·ized or British -our·ized also -our·ised;
-or·iz·ing or British -our·iz·ing also -our·is·ing : to remove color from <
decolorize vinegar byadsorption of impurities on activated charcoal> —
de·col·or·iza·tion or British de·col·our·iza·tion also de·col·our·isa·tion /(')dE-"k&l-&-r&-'zA-sh&n/ noun —
de·col·or·iz·er or British de·col·our·iz·er also de·col·our·is·er /(')dE-'k&l-&-"rI-z&r/ noun
[dee-kuhl-uh-rahyz] 
əˌraɪz