iodine-125
The radioactive isotope of iodine, 12553I, having a half-life of 59 daysThe radioactive isotope of iodine, 12553I, having a half-life of 59 days; used as a radiation therapy.
Meaning
1 senses(uncountable)The radioactive isotope of iodine, 12553I, having a half-life of 59 days; used as a radiation therapy.
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
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable