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nouna 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)
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Definition that contains iodin
- iodine a tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic
- halogen any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
- iodized treated with iodine
- goiter abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet
- goitre abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet
- daguerreotype a photograph made by an early photographic process; the image was produced on a silver plate sensitized to iodine and developed in mercury vapor
- iodine-131 heavy radioactive isotope of iodine with a half-life of 8 days; used in a sodium salt to diagnose thyroid disease and to treat goiter
- triiodothyronine thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer
- di-iodotyrosine tyrosine with two iodine atoms added
- periodic acid any acid of iodine that contains oxygen