mutator

Noun

That which causes mutation or change.

Japanese Meaning

変異や変化を引き起こすもの

The mutator introduced into the culture caused rapid genetic changes across several generations.

培養に導入された変異を引き起こす因子は、数世代にわたって急速な遺伝的変化を引き起こした。

Sense（1）

That which causes mutation or change.

In object-oriented programming, the mutator function changes the value of the field that gives its name.

mutators

（ plural ）