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cat-o’-nine-tails
cat-o’-two-tails
cat rig
cat’s claw
cat’s cradle
cat’s-eye
cat’s pajamas
cat’s-paw
cat’s whiskers
CAT scan
CAT scanner
cat scratch disease
CAT standard
cat train
cata-
catabolism
catabolite
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catalase
cat·a·lase [ kátt'l àyss, kátt'l àyz ]


noun 
Definition:
 
enzyme: an antioxidant enzyme in living cells
[Early 20th century. <catalysis]

cat·a·lat·ic [ kàtt'l áttik ] adjective
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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