vicennial
American
[vahy-sen-ee-uhl]
/ vaɪˈsɛn i əl /
adjective
-
of or for 20 years.
-
occurring every 20 years.
vicennial
British
/ vɪˈsɛnɪəl /
adjective
-
occurring every 20 years
-
relating to or lasting for a period of 20 years
Etymology
Origin of vicennial
1730–40; < Latin vīcenni ( um ) twenty-year period ( vīc ( ēnī ) twenty each + -enn ( us ), combining form of annus year + -ium -ium ) + -al 1
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
