Definitions for fission

• Definition
• Anagrams (71)

fission fis·sion

Spelling: [fish-uh n]

IPA: /ˈfɪʃ ən/

Fission is a 7 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 11 points.

You can make 71 anagrams from letters in fission (fiinoss).

Definitions for fission

noun

1. the act of cleaving or splitting into parts.
2. Also called nuclear fission. Physics. the splitting of the nucleus of an atom into nuclei of lighter atoms, accompanied by the release of energy. Compare fusion (def 4).
3. Biology. the division of an organism into new organisms as a process of reproduction.

verb (used with object)

1. Physics. to cause to undergo fission.

verb (used without object)

1. Physics. to undergo fission.

Origin of fission

1835-45; Latin fissiōn- (stem of fissiō) a splitting, dividing, equivalent to fiss(us) divided (see fissi-) + -iōn- -ion

Examples for fission

At the instant of fission, some 75 radionuclides, or fission products, are created.

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

It will be found full of septic vibrios in process of generation by fission.

The amœba, like other one-celled organisms, reproduces by the process of fission.

Any atom might be hit, blazing, into fission and decaying into other elements.

As already said, the lowest form of reproduction is that by fission.

They are contractile, and propagated by spontaneous division, or fission.

Just as the life of a man is only the fission of two amœbas on a larger scale.

The multiplication of the amba is brought about by a process of fission or division.

The foraminifer multiplies by fission, or by a process of budding.