experimenter
//ɪkˈspɛrɪˌmɛntər//
Noun
experimenterSingular
experimentersPlural
1
A person who conducts scientific experiments or tests hypotheses through systematic investigation.
The experimenter carefully recorded the results of each trial.
2
Someone who tries new ideas, methods, or activities to discover what works or what happens.
She is a bold experimenter who is always trying new cooking techniques.