Containing, producing, or yielding acid; having the quality of bearing or carrying acid.
From Latin 'acidus' (acid) combined with '-ferous' (from 'ferre,' meaning to carry or bear). Used in scientific contexts since the 18th century to describe acid-producing substances.
This adjective is found mostly in old chemistry and biology textbooks—scientists would describe 'acidiferous minerals' or 'acidiferous organisms,' but today they just say 'acid-producing' instead.
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