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About LDOCE
Date:
1100-1200
Origin:
Natural sound
O
interjection
O
1
used when praying to a god or, in the past, when speaking to someone in great authority
:
O Lord, in you I put my trust.
2
x-ref
another form of
oh
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
Dictionary results for "O"
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O
noun
O
interjection
O Come All Ye Faithful
O grade
noun
O level
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O Little Town of Bethlehem
o.n.o.