English Edit

Etymology Edit

From Late Latin centennium (period of 100 years), from centennis (100-year) + -ium (forming abstract nouns). Cognate with centennial.

Noun Edit

centennium (plural centennia)

  1. (rare) Synonym of century: A period of 100 years.
    Coordinate terms: annum, biennium, triennium, quadrennium, quinquennium, sexennium, septennium, octennium, novennium, decennium, quincentennium, millennium, decamillennium, centimillennium, millionennium

Derived terms Edit

Latin Edit

Etymology Edit

From centennis (100-year) +‎ -ium (forming abstract nouns).

Noun Edit

centennium n (genitive centenniī or centennī); second declension

  1. (Late Latin) century: a period of 100 years

Declension Edit

Second-declension noun (neuter).

Case Singular Plural
Nominative centennium centennia
Genitive centenniī
centennī1
centenniōrum
Dative centenniō centenniīs
Accusative centennium centennia
Ablative centenniō centenniīs
Vocative centennium centennia

1Found in older Latin (until the Augustan Age).

Descendants Edit

  • English: centennium, centennial