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poison gas
poison hemlock
poison ivy
poison oak
poison-pen letter
poison pill
poison sumac
poisoned chalice
poisonous
poisonwood
Poisson distribution
Poisson’s ratio
Poitiers
poke (1)
poke (2)
poke (3)
poke bonnet
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poisonous
poi·son·ous [ póyz'nəss ]


adjective 
Definition:
 
1. containing or producing poison: containing, producing, or acting as a poison
2. malicious: filled with or creating malice, distrust, or hostility

poi·son·ous·ly adverb
poi·son·ous·ness 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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