iodine-131

1. 1.

   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

   Broaderiodineradioisotope

Questions about iodine-131

What does iodine-131 mean?

iodine-131 means "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".

How many syllables are in iodine-131?

iodine-131 has 3 syllables and divides as i-o-dine-131 under the regular spelling rules. It is not in the CMU Pronouncing Dictionary, so that comes from how the word is written rather than from a recorded pronunciation, and no stress or phonetic transcription is claimed for it.

Is iodine-131 a common word?

iodine-131 is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.