fission

One of the isotopes of fission products, when fuel melts, is an iodine isotope, and it goes in your body through your thyroid.

Rick turned in time to see the side of El Viejo blow off in an explosion that made ten kilotons of fission seem puny indeed.

The United States, indeed, is still in the process of fusion following the earlier fission process.

Some bacilli after fission retain a characteristic arrangement and may be spoken of as Diplobacilli or Streptobacilli.

Such broad groupings as these have, however, but little practical value when applied to the systematic study of the fission fungi.

Prior to maturity the future line of fission is plainly indicated by the difference in color.