protiodideWiktionary 原文英美构词拆解protproto-前缀iodideiodide词干proto-An early, primitive stage of development. · Original, older.词源说明From proto- + iodide.释义名词noun1(inorganic chemistry) An iodide containing a lower proportion of iodine than any other iodide of the same substance or series.同族词派生词 1protiodide of mercury