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on
on-again, off-again
on-board bill of lading
on dit
on-field
on-ice
on-label
on-message
on-pack premium
on-scene show
on-site
on-stream
on-the-job
on-the-spot loan
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oncology
on·col·o·gy [ ong kólləjee ]


noun 
Definition:
 
study of cancer: the branch of medicine that deals with the study and treatment of malignant tumors

on·co·log·i·cal [ òngkə lójjik'l ] adjective
on·col·o·gist noun
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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