rare1. [f. EXPERIMENT v. + -EE1.] One on whom an experiment is made.

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1819.  New-England Galaxy, 24 Sept., 199/1. Quack doctors make experiments, and their effects are often very ‘animating’ to the experimenter and ‘striking’ too to the experimentee. [note, For the use of this new word … we lay claim to all the credit of being its original inventor.]

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1826.  Susquehanna Democrat, 9 June, 2/3. This may be a pleasant experiment to the experimentor, but otherwise to the experimentee.

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1890.  F. Galton, in Lippincott’s Mag., Feb., 241. A second trial is made to test the length of time during which the experimentee can maintain his previous grip.

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