Word by Word Definitions
: a splitting or breaking up into parts
: reproduction by spontaneous division of the body into two or more parts each of which grows into a complete organism
: the splitting of an atomic nucleus resulting in the release of large amounts of energy
: to undergo fission
: to cause to undergo fission
Seen and Heard
What made you want to look up nuclear fission? Please tell us where you read or heard it (including the quote, if possible).