<p><strong>Noun</strong></p><ul><li>An unsegmentable, gliding speech sound varying continuously in phonetic quality but held to be a single sound or phoneme and identified by its apparent beginning and ending sound, as the "oi" sound of "toy" or "boil."</li><li>(Not in technical use) A digraph, as the "ea" of "meat."</li><li>A ligature, as "æ."</li></ul><p><strong>End of Response</strong></p>