Part of Speech: Adjective

Definition: showing luminous colors that seem to change when seen from different angles

Source: Google Dictionary

Found in Discovering Colors in Prison by Nancy Gomez

“The iridescent scream of a sharp-shinned hawk/circling somewhere in the pastel wash/of afternoon air….”

In this poem, the speaking is using this word to paint a picture in the readers mind. Understanding the meaning of this word helped me see the picture she is painting. The hawk circling the sky, it’s scream sounding different from different angles.