noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any compound containing a I₃⁻ moiety consisting of three iodine atoms in a more or less linear configuration.
2. 2
   Any iodide of a trivalent element that contains three I⁻ ions.

Etymology

From tri- + iodide.

Related phrases

arsenic triiodideboron triiodidenitrogen triiodidephosphorus triiodidesodium triiodide

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