vigesimal

[vahy-jes-uh-muh l]
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adjective

of, relating to, or based on twenty.
proceeding by twenties.

Origin of vigesimal

1650–60; < Latin vīgēsim(us), variant (with g of vīgintī twenty) of vīcēsimus, vīcēnsimus twentieth + -al1
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Historical Examples of vigesimal


British Dictionary definitions for vigesimal

vigesimal

adjective

relating to or based on the number 20
taking place or proceeding in intervals of 20
twentieth

Word Origin for vigesimal

C17: from Latin vīgēsimus, variant (influenced by vīgintī twenty) of vīcēsimus twentieth
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