Definitions of triennial [ɪˈɛn i əl]

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Definition of 'triennial'

Random House Webster's College Dictionary

1. (adj.) triennial
occurring every three years.

2.  triennial
lasting three years.

3. (n.) triennial
a third anniversary.

4.  triennial
something that appears or occurs every three years.

5.  triennial
a period of three years; triennium.

Etymology: (1555–65)

Definition of 'triennial'

Princeton's WordNet

1. (adj) tercentennial, tercentenary, triennial
the 300th anniversary (or the celebration of it)

2. (adj) triennial
occurring every third year or lasting 3 years

Definition of 'triennial'

Webster Dictionary

1. (adj) triennial
continuing three years; as, triennial parliaments; a triennial reign

2. (adj) triennial
happening, coming about, or appearing once in every three years; as, triennial elections; a triennial catalogue; a triennial visitation

3. (noun) triennial
something which takes place or appears once in three years

'triennial' - Nearby Entries
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