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Meaning of tercentenary

ter•cen•ten•ar•y

Pronunciation: (tûr"sen-ten'u-rē, tûr-sen'tn-er"ē esp. Brit. tûr"sen-tē'nu-rē), [key]
— pl. -nar•ies.
  1. tricentennial.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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