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In phonetics and phonology, a sonorant is a speech sound that is produced without turbulent airflow in the vocal tract. Essentially this means that a sound is sonorant if it can be produced continuously at the same pitch. For example vowels are sonorants, as are consonants like and . Other consonants, like or , cannot be produced continuously and so are non-sonorant. In addition to vowels, phonetic categorizations of sounds that are considered sonorant include approximants, nasal consonants, taps, and trills. In the sonority hierarchy, all sounds higher than fricatives are sonorants.