- Aphthongal
- Aphthong Aph"thong (?; 277), n. [Gr. ? silent; 'a priv. + ? voice, sound, fr. ? to sound.] A letter, or a combination of letters, employed in spelling a word, but in the pronunciation having no sound. -- {Aph*thon"gal}, a. [1913 Webster]
The Collaborative International Dictionary of English. 2000.