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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
onager
onanism
onboard
once
once-over
onchocerciasis
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oncornavirus
on·cor·na·vi·rus [ ong kàwrnə vrəss ] (plural on·cor·na·vir·us·es)


noun 
Definition:
 
cancer-causing virus: a virus containing single-stranded RNA and capable of causing cancer
[Late 20th century. <onco- + RNA + virus]
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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