experimenter

Meanings

1. 1
   noun

   a scientist or researcher who conducts an experiment

   The experimenter recorded the radiation dose before examining the next generation of flies.

2. 2
   noun

   a person who tries new methods, ideas, or activities to discover their effects

   As an experimenter with new teaching methods, she carefully compared each result.

From experiment + the agent suffix -er, meaning a person who experiments. Experiment comes through French from Latin experimentum ("trial, test, proof"), based on experiri ("to try or test").

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