IODINE-125

 I. (noun) 

Sense 1

Meaning:

Light radioactive isotope of iodine with a half-life of 60 days; used as a tracer in thyroid studies and as a treatment for hyperthyroidism

Classified under:

Nouns denoting substances

Hypernyms ("iodine-125" is a kind of...):

radioisotope (a radioactive isotope of an element; produced either naturally or artificially)

atomic number 53; I; iodin; iodine (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))

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