semicylindrical

adjective
semi·​cy·​lin·​dri·​cal | \ ˌse-mē-sə-ˈlin-dri-kəl How to pronounce semicylindrical (audio) , ˌse-ˌmī-, -mi-\

Definition of semicylindrical

: having the shape of a longitudinal half of a cylinder

First Known Use of semicylindrical

circa 1731, in the meaning defined above

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The first known use of semicylindrical was circa 1731

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