triennial

Occurring every three years; lasting for three years.

• 🇪🇸Que ocurre cada tres años; que dura tres años.

1. Occurring every three years C1 formal

   Happening once every three years.

   • The triennial conference attracts experts from around the world.
   • The company holds a triennial review of its policies.
   • The triennial festival is a major cultural event in the region.

   🇪🇸trienal

2. Lasting for three years C1 formal

   Continuing or valid for a period of three years.

   • The triennial contract was renewed after its expiration.
   • The plant has a triennial life cycle.
   • The triennial membership fee covers three years of access.

   🇪🇸Que dura tres años

• more triennial comparative form
• most triennial superlative form

A noun referring to the 300th anniversary or the celebration of that event.

• 🇪🇸Sustantivo que designa un período de trescientos años o el aniversario de un acontecimiento que cumple trescientos años; también se usa para referirse a la celebración de dicho aniversario.

1. Three-hundredth anniversary C2 formal

   The 300th anniversary of an event, or the celebration of that anniversary.

   • The city is preparing for its triennial celebration next year.
   • The university marked its triennial with a grand ceremony.
   • A special coin was minted for the triennial of the founding.

   🇪🇸Tricentésimo aniversario

   Sinónimos: tercentenarytercentennialtricentennial

• triennials plural form
• triennials' possessive plural form
• triennial's possessive singular form