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English definition of “consonant”

consonant

noun [C]  /ˈkɑn·sə·nənt/ us  
grammar a speech sound produced by human beings when the breath that flows out through the mouth is blocked by the teeth, tongue, or lips grammar A consonant is also a letter that represents a sound produced in this way: Except for the vowels in English – a, e, i, o, u, and sometimes y – all the letters are consonants.
(Definition of consonant from the Cambridge Academic Content Dictionary © Cambridge University Press)
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