Word Study
triphane |
triphosphopyridine |
triphosphopyridine nucleotide |
triphosphoric acid |
triphthong |
triphthongal
| triphyline
| triphylite
| triphyllous
| tripinnate
| tripinnated
triphthongal
CIDE DICTIONARY
triphthongal, a.
Of or pertaining to a triphthong; consisting of three vowel sounds pronounced together in a single syllable. [1913 Webster]
For further exploring for "triphthongal" in Webster Dictionary Online