sta·​nine ˈstā-ˌnīn How to pronounce stanine (audio)
: any of the nine classes into which a set of normalized standard scores arranged according to rank in educational testing are divided, which include the bottom 4 percent and the top 4 percent of the scores in the first and ninth classes and the middle 20 percent in the fifth, and which have a standard deviation of 2 and a mean of 5

Word History


standard (score) + nine

First Known Use

1944, in the meaning defined above

Time Traveler
The first known use of stanine was in 1944

Dictionary Entries Near stanine

Cite this Entry

“Stanine.” Dictionary, Merriam-Webster, Accessed 25 Sep. 2023.

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