cosmochemistry

noun cos·mo·chem·is·try \ˌkäz-mō-ˈke-mə-strē\

Definition of COSMOCHEMISTRY

: a branch of chemistry that deals with the chemical composition of and changes in the universe

— cos·mo·chem·i·cal \-ˈke-mi-kəl\ adjective

— cos·mo·chem·ist \-mist\ noun

Greek kosmos universe

First Known Use: 1940

Next Word in the Dictionary: cosmodromePrevious Word in the Dictionary: cosmoAll Words Near: cosmochemistry

What made you want to look up cosmochemistry? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears