iodine-131
The radioactive isotope of iodine, 13153I, having a half-life of eight daysThe radioactive isotope of iodine, 13153I, having a half-life of eight days; used as a medical tracer
Meaning
1 senses(uncountable)The radioactive isotope of iodine, 13153I, having a half-life of eight days; used as a medical tracer
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
Synonyms
1 synonymsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable