nham thạch

== Vietnamese == === Etymology === Sino-Vietnamese word from 岩石 (“rock”). === Pronunciation === (Hà Nội) IPA(key): [ɲaːm˧˧ tʰajk̟̚˧˨ʔ] (Huế) IPA(key): [ɲaːm˧˧ tʰat̚˨˩ʔ] (Saigon) IPA(key): [ɲaːm˧˧ tʰat̚˨˩˨] === Noun === nham thạch (geology) lava rock === See also === dung nham (“lava”)