A Brønsted–Lowry acid (or simply Brønsted acid) is a species that donates a proton to a Brønsted–Lowry base.
ɐ bɹˈɑːnstᵻd lˈoʊɹi ˈæsɪd ɔːɹ sˈɪmpli bɹˈɑːnstᵻd ˈæsɪd ɪz ɐ spˈiːsiːz ðæt doʊnˈeɪts ɐ pɹˈoʊtɑːn tʊ ɐ bɹˈɑːnstᵻd lˈoʊɹi bˈeɪs.