碘化钠 diǎnhuànà sodium iodide Origin Definitions Defs Strokes Stroke Words Sentences Sents 碘 diǎn iodine the non-metallic chemical element with symbol I; a dark violet crystalline solid used in medicine and dyes化 huà nounverb to change to change; to transform; to convert钠 鈉 nà noun sodium sodium; natrium (chemical element Na)