mutator
nounUS /ˈmjuteɪtɚ/
Etymology From mutate + -or. The video gaming sense likely originated in the video game Unreal Tournament (1999).
1
That which causes mutation or change.
- In object-oriented programming, the mutator function changes the value of the field that gives its name.
2
Video games A setting which alters specific gameplay mechanics, such as rules, physics, or abilities.
- Rocket League will gain match-modifying mutators […] The football-meets-cars mashup will let you toggle on gameplay-changing settings such as low gravity, time warping and explosions.2015 October 28, Tom Phillips, “Rocket League match mutators to arrive in free November update”, in Eurogamer.net: