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macron

American  
[mey-kron, mak-ron] / ˈmeɪ krɒn, ˈmæk rɒn /

noun

Phonetics, Orthography.
  1. a horizontal line used as a diacritic over a vowel to indicate that it has a long sound or other specified pronunciation, as (ā) in fate (fāt).


macron British  
/ ˈmækrɒn /

noun

  1. a diacritical mark (¯) placed over a letter, used in prosody, in the orthography of some languages, and in several types of phonetic respelling systems, to represent a long vowel

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of macron

1850–55; noun use of Greek makrón, neuter of makrós long. See macro-

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In addition, the text contains two instances of a single m with a macron over it, signifying a double m.

From A Righte Merrie Christmasse The Story of Christ-Tide by Behrend, Arthur C.

Aside from Greek letters, the only special characters displayed are a few letters e and i with a breve or macron.

From The Works of Lord Byron. Vol. 4 by Coleridge, Ernest Hartley

This book contains Greek and other characters, including an e with caron, ě, and vowels with macron, ī and ō.

From Witch, Warlock, and Magician Historical Sketches of Magic and Witchcraft in England and Scotland by Adams, W. H. Davenport (William Henry Davenport)

Page 125: The term 'jizō' did not have a macron over the o, but it did in another location and in the index, so I edited it.

From The Foundations of Japan Notes Made During Journeys Of 6,000 Miles In The Rural Districts As A Basis For A Sounder Knowledge Of The Japanese People by Scott, J.W. Robertson

Index: The name 'Yosōgi' had the macron over the first o instead of the second one, inconsistent with the other index listing and the chapter text, so the index entry was corrected.

From The Foundations of Japan Notes Made During Journeys Of 6,000 Miles In The Rural Districts As A Basis For A Sounder Knowledge Of The Japanese People by Scott, J.W. Robertson