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catalyse
catalysis
catalyst
catalytic
catalytic converter
catalytic cracker
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catalyzer
catamaran
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catatonia

cat·a·to·ni·a [ kàttə tṓnee ə ]


noun 
Definition:
 
state resembling trance: a condition, often associated with schizophrenia, characterized by periods of inertia or apparent stupor and rigidity of the muscles

[Late 19th century. <cata- + Greek tonos "tone"]
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