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catalexis
catalog
Cataloging in Publication
catalogue raisonné
Catalonia
catalpa
Catalunya
catalyse
catalysis
catalyst
catalytic
catalytic converter
catalytic cracker
catalyze
catalyzer
catamaran
catamite
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cataclysmic variable
cat·a·clys·mic var·i·a·ble (plural cat·a·clys·mic var·i·ables)


noun 
Definition:
 
star that suddenly shines more brightly: a star whose brightness rapidly increases and then slowly fades, e.g. a nova or a supernova
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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