 semicentenary |
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| 1. | [ adjective ] of or relating to or marking the 50th anniversary | |
| Synonyms: | semicentennial | |
| 2. | [ noun ] the 50th anniversary (or the celebration of it) | |
| Synonyms: | semicentennial | |
| Related terms: | anniversary | |
| Similar spelling: |
semicentennial senescence |
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