[ al-uh-graf, -grahf ]
/ ˈæl əˌgræf, -ˌgrɑf /


Linguistics. a variant form of a grapheme that is in complementary distribution or free variation with another form of the same grapheme, as t and T or n in run and nn in runner; an orthographic contextual variant.Compare grapheme.
writing or a signature inscribed by one person for another, as distinguished from autograph.
a deed or other legal document not in the writing of any of the persons who are party to it.

Origin of allograph

1950–55; allo- + -graph, on the model of allophone

Related forms

al·lo·graph·ic [al-uh-graf-ik] /ˌæl əˈgræf ɪk/, adjective

Can be confused

allograph allograft Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for allograph


/ (ˈæləˌɡrɑːf) /


a document written by a person who is not a party to it
a signature made by one person on behalf of anotherCompare autograph
linguistics any of the written symbols that constitute a single graphemem and M are allographs in the Roman alphabet

Derived Forms

allographic (ˌæləˈɡræfɪk), adjective
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