nước phèn

== Vietnamese == === Etymology === nước (“water”) +‎ phèn (“alum”). === Pronunciation === (Hà Nội) IPA(key): [nɨək̚˧˦ fɛn˨˩] (Huế) IPA(key): [nɨək̚˦˧˥ fɛŋ˦˩] (Saigon) IPA(key): [nɨək̚˦˥ fɛŋ˨˩] === Noun === nước phèn water with a high concentration of alum ==== Coordinate terms ==== nước mặn nước ngọt