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Also available:
World English Dictionary
Dictionnaire Français
sesquicentennial
ses·qui·cen·ten·ni·al
[
sèskwi sen ténnee əl
]
or
ses·qui·cen·ten·ar·y
[
sèskwi sen ténnəree
]
noun
(
plural
ses·qui·cen·ten·ni·als
)
(
plural
ses·qui·cen·ten·ar·ies
)
Definition:
1.
150th anniversary:
a 150th anniversary or the celebration of one
2.
150 years:
a period of 150 years
adjective
Definition:
occurring every 150 years:
relating to or happening after a period of 150 years
ses·qui·cen·ten·ni·al·ly
adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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ses·qui·cen·ten·ni·al·ly adverb
