| Word | Definitions | Synonyms |
|---|---|---|
| iridaceous | (adjective) of or pertaining to or characteristic of plants of the family Iridaceae | - |
| iridescent | (adjective) having a play of lustrous rainbow colors | Synonyms: nacreous, opalescent, opaline, pearlescent |
| (adjective) varying in color when seen in different lights or from different angles | Synonyms: changeable, chatoyant, shot | |
| iridic | (adjective) of or relating to the iris of the eye | - |
| (adjective) of or containing iridium | - |