[ wuhn-ak-ter ]
/ ˈwʌnˈæk tər /
a short play consisting of one act.
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Also one-act [wuhn-akt] /ˈwʌnˌækt/.
Origin of one-acter
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019