nonsyllabic has definitions from the field of phonology
1
[ adjective ] not forming a syllable or the nucleus of a syllable; (of a consonant sound) accompanied in the same syllable by a vowel sound as the `n' in `botany' when pronounced `botny'; (of a vowel sound) dominated by other vowel sounds in a syllable

Synonyms

unsyllabic

Related terms

syllabic unsyllabled

2
[ adjective ] (phonology) of liquids and nasals

Related terms

vocalic phonology

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