Opals come in variety of colors, and they range from opaque to transparent. The most desirable opals are known as the precious opals. They have a special iridescent quality. As you move the opal under light, it shows a spectrum of colors.

Which words provide the best context clues for the meaning of iridescent?
Options:
“Variety, light, spectrum of colors”
“Opaque, quality, desirable”
“Opals, special, precious”
“Transparent, variety, opals”

1 answer

The words "spectrum of colors" provide the best context clues for the meaning of iridescent.