- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for vigesimal
It counted by units and scores; in other words, it was a vigesimal system.
This long cycle was an application of the vigesimal system to their reckoning of time.
The last of these scales is an unusual combination of decimal and vigesimal.The Number Concept
Levi Leonard Conant
Associated words: vicenary, vigesimal, vigesimation, icosahedron.Putnam's Word Book
Louis A. Flemming
As the latter is due to finger-reckoning, so the use of the fingers and the toes produced a vigesimal scale.
- relating to or based on the number 20
- taking place or proceeding in intervals of 20
C17: from Latin vīgēsimus, variant (influenced by vīgintī twenty) of vīcēsimus twentieth