experimenter
1. [ noun ] (work) a research worker who conducts experiments
Related terms: research_worker experiment
2. [ noun ] a person who enjoys testing innovative ideas
Examples:

"she was an experimenter in new forms of poetry"

Related terms: person tinker
Similar spelling:   experiment
  experimental
  experimentally
  experimentation
  experimentalism
  ex-president
  experience
  experiential
  exuberant
  experienced