iodin

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a nonmetallic element belonging to the halogens;
used especially in medicine and photography and in dyes;
occurs naturally only in combination in small quantities (as in sea water or rocks)
• Syn:
iodine, I, atomic number 53
• Derivationally related forms:
iodinate (for: iodine), iodize (for: iodine), iodise (for: iodine)
• Hypernyms:
chemical element, element, halogen
• Hyponyms:
iodine-131, iodine-125
• Substance Holonyms:
seawater, saltwater, brine