penannular

[ pen-an-yuh-ler ]
/ pɛnˈæn yə lər /

adjective

having the shape or design of an incomplete circle.

Origin of penannular

First recorded in 1850–55; pen- + annular
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for penannular

penannular

/ (pɛnˈænjʊlə) /

adjective

of or forming an almost complete ring

Word Origin for penannular

C19: from pene- + annular
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012