tercentenary

Meanings

1. 1
   noun

   the three-hundredth anniversary of an event, or a celebration of it

   The town marked its tercentenary with a public exhibition.

2. 2
   adj

   relating to a three-hundredth anniversary

   A tercentenary ceremony honored the institution's founders.

Formed from ter-, ‘three times,’ and centenary, ‘a hundredth anniversary,’ on the model of Latin ter, ‘three times,’ and centēnārius, ‘of a hundred.’

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