verb (used without object)
verb (used with object)
Origin of fission
Can be confusedfission fusion
Examples from the Web for fission
One of the isotopes of fission products, when fuel melts, is an iodine isotope, and it goes in your body through your thyroid.
The anterior asexual zooid continues to produce fresh sexual zooids by fission.The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour
By the spontaneous division of the animal into two individuals—a process known to zoologists as fissiparism or fission.The Ocean World:|Louis Figuier
In each of the four, fission occurs again, and so the process of multiplication continues.