experimenter

Definition of experimenternext
as in researcher
one who observes or studies by close examination and systematic inquiry a psychology experimenter doing research into the sources of panic attacks

Synonyms & Similar Words

Relevance

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of experimenter The flagellar motor was discovered by the late Howard Berg, an ingenious experimenter who spent most of his career at Harvard. Quanta Magazine, 20 Apr. 2026 The sleeping subjects received math questions and dreamed about the solutions, relaying them to the experimenter. Veronique Greenwood, Time, 26 Feb. 2026 Then, an experimenter presented the bonobo with two empty, transparent cups and pretended to pour juice from an empty pitcher into each cup. Amarachi Orie, CNN Money, 9 Feb. 2026 Anthropic’s experimenters were not thrilled. Gideon Lewis-Kraus, New Yorker, 9 Feb. 2026 Horses that smelled the fear samples touched the experimenter less than those in a control group or those that smelled joyful sweat samples. Marta Hill, Scientific American, 14 Jan. 2026 Bacharach and other pop greats were rescued later by experimenters like Elvis Costello and White Stripes. Michael Barnes, Austin American Statesman, 8 Jan. 2026 Well after the photons have struck the screen, the experimenter decides to read the information. Paul Sutter, Space.com, 20 Dec. 2025 But finding lightning has proven more elusive on our closest planetary neighbors — even though experimenters in the 1970s did lab work that suggested lightning should exist on Mars. Nell Greenfieldboyce, NPR, 26 Nov. 2025
Recent Examples of Synonyms for experimenter
researcher
Noun
  • The researcher acknowledges that much more work is needed to identify the sources of fluctuations in the time-delay signals detected by the device.
    Ameya Paleja, Interesting Engineering, 24 Apr. 2026
  • Their discovery supports the theory, suggested by researcher Stijn van den Hoven in 2019, that a second entrance might exist at that location.
    Anne Doran, ARTnews.com, 24 Apr. 2026

Browse Nearby Words

Cite this Entry

“Experimenter.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/experimenter. Accessed 27 Apr. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster