in·​ter·​tri·​al ˈin-tər-ˌtrī(-ə)l How to pronounce intertrial (audio)
variants or less commonly inter-trial
: occurring or existing between two or more scientific trials (such as drug trials)
effects observed during the intertrial interval

Examples of intertrial in a Sentence

Recent Examples on the Web Trial duration was 60 sec, intertrial interval was 24 hr, and the dependent variable was rate of tongue flicking (a measure of chemosensory investigation). Seriously Science, Discover Magazine, 15 Nov. 2013

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'intertrial.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of intertrial was in 1945

Dictionary Entries Near intertrial

Cite this Entry

“Intertrial.” Dictionary, Merriam-Webster, Accessed 26 May. 2024.

Medical Definition


in·​ter·​trial ˌint-ər-ˌtrī(-ə)l How to pronounce intertrial (audio)
: of, relating to, or being an interval between trials of an experiment
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