semicentennial
noun
1 semicentennial
The 50th anniversary (or the celebration of it).
synonym: semicentenary.
adjective
1 semicentennial
Of or relating to or marking the 50th anniversary.
synonym: semicentenary.
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noun
The 50th anniversary (or the celebration of it).
synonym: semicentenary.
adjective
Of or relating to or marking the 50th anniversary.
synonym: semicentenary.
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