noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The normal diatomic form of iodine (I₂) countable, uncountable
2. 2
   Two iodine atoms in a molecule countable, in-compounds, uncountable

Etymology

From di- + iodine.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.