pre·​ex·​per·​i·​men·​tal ˌprē-ik-ˌsper-ə-ˈmen-tᵊl How to pronounce preexperimental (audio)
 also  -ˌspir-
variants or pre-experimental or less commonly preexperiment
ˌprē-ik-ˈsper-ə-mənt How to pronounce preexperimental (audio)
 also  -ˈspir-
or pre-experiment
: existing or occurring before an experiment
a preexperimental questionnaire
: of or relating to a simple study or plan for research that typically lacks randomization and inclusion of a control group
pre-experimental research design

Word History

First Known Use

1897, in the meaning defined at sense 1

Time Traveler
The first known use of preexperimental was in 1897

Dictionary Entries Near preexperimental

Cite this Entry

“Preexperimental.” Dictionary, Merriam-Webster, Accessed 7 Dec. 2023.

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