Welcome to the new LearnersDictionary.com. We want to hear your thoughts about the new design.

reactor

Save
reactor/riˈæktɚ/noun
pluralreactors
reactor
/riˈæktɚ/
noun
pluralreactors
Learner's definition of REACTOR  
[count]physics
: a large device that produces nuclear energy
— called also nuclear reactor
Comments & Questions  
Comments & Questions
What made you want to look up reactor? Include any comments and questions you have about this word.