triennial

adj.

1. Occurring every third year.
2. Lasting three years.

n.

1. A third anniversary.
2. A ceremony or celebration occurring every three years.

[From Latin triennis, from triennium, triennium. See triennium.]

triennially tri·en'ni·al·ly adv.

Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: the 300th anniversary
  Synonyms: tercentennial, tercentenary

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The adjective triennial has one meaning:

Meaning #1: occurring every third year or lasting 3 years
  Pertains to noun: year (meaning #1)

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Dansk (Danish)
adj. - treårig, som sker hvert tredje år
n. - triennale, treårsdag

Nederlands (Dutch)
driejarig/ -jaarlijks (periode of gebeurtenis)

Français (French)
adj. - triennal
n. - troisième anniversaire

Deutsch (German)
adj. - dreijährig, alle drei Jahre stattfindend
n. - alle drei Jahre stattfindender Besuch d. Bischofs in d. Diözese

Ελληνική (Greek)
adj. - που διαρκεί επί τριετία, που συμβαίνει ανά τριετία
n. - ανά τριετία επίσκεψη, έκθεση κ.λπ.

Italiano (Italian)
triennale, triennio

Português (Portuguese)
adj. - trienal
n. - triênio (m)

Русский (Russian)
трехлетний, событие, совершающееся раз в три года, трехлетие

Español (Spanish)
adj. - trienal
n. - acontecimiento trienal, tercer aniversario

Svenska (Swedish)
adj. - treårs-, treårig, som inträffar en gång vart tredje år
n. - treårsperiod

中文（简体）(Chinese (Simplified))
三年的, 每三年一度的, 三年一次的节日, 三周年纪念

中文（繁體）(Chinese (Traditional))
adj. - 三年的, 每三年一度的
n. - 三年一次的節日, 三周年紀念

한국어 (Korean)
adj. - 3년간 계속하는, 3년 마다의
n. - 3년 제, 3년 생 식물

日本語 (Japanese)
adj. - 3年ごとの, 3年続く
n. - 3年ごとの行事, 3年目の記念日

العربيه (Arabic)
‏(صفه) ثلاثي (الاسم) ذكرى سنويه ثالثه‏

עברית (Hebrew)
adj. - ‮תלת-שנתי, נמשך שלוש שנים‬
n. - ‮ביקור תלת-שנתי של בישוף אנגליקני במחוז השיפוט שלו‬

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