n.
Pronunciation: ' trif- ˌ tho ̇ ŋ , ' trip-
Function: noun
Etymology: tri- + -phthong (as in diphthong )
Date: circa 1599
1 : a phonological unit consisting of three successive vocalic sounds in one syllable
2 : TRIGRAPH
– triph · thon · gal \ trif- ' tho ̇ ŋ -g ə l, trip-, - ə l \ adjective