iridian

• From iris +‎ -ian.
• (mineralogy): From iridium +‎ -ian.

iridian (comparative more iridian, superlative most iridian)

1. (mineralogy) Containing iridium

   iridian ruthenium

2. Of or relating to the iris
3. Relating to rainbow.
4. multicolored

• “iridian”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• inradii