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Webster 1913 Edition


Macron

Ma′cron

,
Noun.
[NL., fr. Gr. [GREEK] long.]
(Pron.)
A short, straight, horizontal mark [-], placed over vowels to denote that they are to be pronounced with a long sound; as,
ā
, in
dāme
;
ē
, in
sēam
, etc.

Syn. – macrotone.