形容詞 vicenary:

1. of or relating to or based on 20

vic.e.nar.y

adj.（形容詞）
Consisting of or relating to 20.
包含20的或者與20有關(guān)的
Of, relating to, or being a notation system based on 20.
屬于、關(guān)于或作為20為基數(shù)的記法體系的

來(lái)源：
Latin vocôn3rius
拉丁語(yǔ) vocôn3rius
from vocôno [twenty each]
源自 vocôno [每二十一次的]
from voginto [twenty] * see wokôto
源自 voginto [二十] *參見(jiàn) wokôto