trigesimal
Appearance
English
[edit]Etymology
[edit]From Latin trigesimus (“thirtieth”) + -al (“forming adjectives”).
Adjective
[edit]trigesimal (not comparable)
- (obsolete) Thirtieth.
- In the trigesimal year of his reign...
- (rare) Containing thirty of something.
- Each month is a roughly trigesimal period.
Noun
[edit]trigesimal (uncountable)
- The trigesimal number system; base 30.
References
[edit]- Oxford English Dictionary, "trigesimal, adj."