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ultraminiature

American  
[uhl-truh-min-ee-uh-cher, -choor, -min-uh-cher] / ˌʌl trəˈmɪn i ə tʃər, -ˌtʃʊər, -ˈmɪn ə tʃər /

adjective

  1. subminiature.


Etymology

Origin of ultraminiature

First recorded in 1940–45; ultra- + miniature