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catalepsy a condition, often associated with epilepsy and schizophrenia, in which the body becomes numb and the limbs rigid, and the victim loses consciousness or fails to respond to external stimuli.
catalo variant of cattalo.
catalog a systematic, usu. annotated, list of book titles, items on display, merchandise, or the like that is available in or from a source such as a library, retail store, or mail order merchandiser. [5 definitions]
catalogue raisonné reasoned catalog (French); a listing of books, art works, or the like, with explanatory notes; descriptive catalog.
catalpa any of several deciduous shade trees that have broad leaves and bear clusters of white flowers and long slender pods.
catalysis the introduction or intervention of a substance that causes or speeds up a chemical reaction without being affected itself. [2 definitions]
catalyst a substance that produces or speeds up a chemical reaction without being affected itself. [2 definitions]
catalytic converter an antipollution device on automobiles that consists of a chemical filter connected to the exhaust system.
catalyze to bring about or change, as a catalyst.
catamaran a boat, usu. a sailboat, with parallel twin hulls.
catamount any of various wildcats, such as the mountain lion, cougar, or panther.
cataphoresis electrophoresis.
cataplasia degeneration of cells or tissue.
catapult an ancient military machine used to hurl missiles such as large stones, esp. at fortifications. [5 definitions]
cataract a large waterfall. [3 definitions]
catarrh inflammation of mucous membranes in the nose and throat, accompanied by secretions and discharge.
catastrophe a calamity with widespread effects; disaster. [3 definitions]
catastrophic causing destruction, devastation, or very great distress; ruinous; disastrous. [2 definitions]
catatonia a disorder, esp. of schizophrenia, characterized by rigidity of the muscles, mental stupor, and muteness; catalepsy.
catatonic suffering from catatonia. [2 definitions]
Catawba a member of a North American Indian tribe of South Carolina. [3 definitions]