cardinal vowel
noun Phonetics.
any one of eight primary, purportedly invariant, sustained vowel sounds that constitute a reference set for describing the vowel inventory of a language.
any one of the eight or more supplementary or secondary cardinal vowels.
Origin of cardinal vowel
First recorded in 1920–25
Words nearby cardinal vowel
cardinal tetra,
cardinal trait,
cardinal veins,
cardinal virtue,
cardinal virtues,
cardinal vowel,
cardinal vowels,
cardinalate,
cardinalfish,
cardinality,
cardinals