Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
cataphora
cataphoresis
cataplasia
cataplexy
catapult
cataract
catarrh
catarrhine
catastrophe
catastrophe theory
catastrophic
catastrophism
catatonia
catatonic
catawampus
Catawba
catawba
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

catalytic converter

cat·a·lyt·ic con·vert·er (plural cat·a·lyt·ic con·vert·ers)


noun 
Definition:
 
chamber making exhaust fumes less harmful: in the exhaust system of a motor vehicle, a chamber in which gases mix with air so that pollutants such as carbon monoxide can be oxidized. The chamber contains a platinum-iridium catalyst.

Advertisement

© 2009 Microsoft