Fission vs Halve - What's the difference?

In lang=en terms the difference between fission and halve

is that fission is to undergo fission while halve is to make up half of.

is that fission is to cause to undergo fission while halve is to reduce to half the original amount.

is the process whereby one item splits to become two.

(Nuclear fission)

The process whereby one item splits to become two.

(physics) The process of splitting the nucleus of an atom into smaller particles; nuclear fission

(biology) The process by which a bacterium splits to form two daughter cells.

* (process of splitting the nucleus of an atom) fusion

* fissile * fissionable * fissional * fission bomb

To cause to undergo fission.

To undergo fission.

(halv)

To reduce to half the original amount.

To divide into two halves.

To make up half of.

* M. Arnold

So far apart their lives are thrown / From the twin soul that halves their own.

(architecture) To join two pieces of timber etc. by cutting away each for half its thickness at the joining place, and fitting together.