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Webster 1913 Edition

Orthodromy

Or′tho-dromˊy

(ôr′thō̍-drŏmˊy̆; 277)
,
Noun.
[Cf. F.
orthodromie
.]
The act or art of sailing on a great circle.

Webster 1828 Edition

Orthodromy

OR'THODROMY

,
Noun.
[Gr. right, and course.] The sailing in a straight course.

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