Macron below

Macron below is a combining diacritical mark that is used in various orthographies.

A non-combining form is. It is not to be confused with, and. The difference between "macron below" and "low line" is that the latter results in an unbroken underline when it is run together: compare a̱ḇc̱ and a̲b̲c̲ (only the latter should look like abc ).

Macron below character
Unicode defines several characters for the macron below:

There are many similar marks covered elsewhere:
 * Spacing underscores, including
 * Combining underlines, including
 * International Phonetic Alphabet mark for retracted or backed articulation:
 * Combining underlines, including
 * International Phonetic Alphabet mark for retracted or backed articulation:
 * International Phonetic Alphabet mark for retracted or backed articulation:
 * International Phonetic Alphabet mark for retracted or backed articulation:
 * International Phonetic Alphabet mark for retracted or backed articulation:
 * International Phonetic Alphabet mark for retracted or backed articulation:
 * International Phonetic Alphabet mark for retracted or backed articulation:
 * International Phonetic Alphabet mark for retracted or backed articulation:

Precomposed characters
Various precomposed letters with a macron below are defined in Unicode:

Note that the Unicode character names of precomposed characters whose decompositions contain use "WITH LINE BELOW" rather than "WITH MACRON BELOW". Thus, decomposes to  and.

The Vietnamese đồng currency sign resembles a lower case d with a stroke and macron below: but is neither a letter nor decomposable.