trigesimal
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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."