Definition of "grapheme" [graph•eme]

• A letter of an alphabet. (noun)
• All of the letters and letter combinations that represent a phoneme, as f, ph, and gh for the phoneme /f/. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "And the discovery of grapheme is one of those stories that makes you feel like you and I could do physics ..."
• "The proponents of the hardwired-newborns view of how we organize recognition tend to point to the inferior temporal gyrus and the fusiform gyrus (also active in grapheme/color synesthesia!), a "small patch of right-brain tissue just behind the ear", as the place that holds the key to our ability to recognize things."
• "The more common the digit, the more radiant the color in grapheme color synaesthesia"