English to English Dictionary

Catacomb

An underground cemetery consisting of a subterranean gallery with recesses for tombs.

Catalog

A complete list of items, such as goods for sale or books in a library, typically arranged systematically in order.

Catalog Envelope

A type of envelope specifically designed to hold and organize catalog sheets or documents.

Catalyst

A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

Catalyze

To cause or accelerate a process or action by acting as a catalyst.

Catamenia

The periodic discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina; menstruation.

Catamount

A large wild cat, especially a mountain lion or cougar.

Catapult

A device used to launch an object a great distance without the aid of explosive devices.

Catastrophe

A sudden and widespread disaster.

Catastrophic

Involving or causing sudden great damage or suffering.

Catbird seat

A position of advantage, superiority, or supreme control; an enviable or commanding situation.

Catch

To intercept and hold something that has been thrown, driven, or falling.