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ODN
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ódn
English
edit
Noun
edit
ODN
(
UK
)
Initialism of
ordnance datum
Newlyn
. Used to judge the height above/below
sea level
in
England
, from the
MSL
(mean sea level) in Newlyn between 1915 and 1921.
Anagrams
edit
DON
,
Don
,
Don.
,
NOD
,
don
,
don'
,
nod
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