of silk fabric; having a wavelike pattern.
All radiant energy has wavelike characteristics.
Tall red shadows make the lions on the walls sway with a wavelike motion.
"Bed rest, high fluid intake, and aspirin or other antifever drugs are standard treatment. Influenza A tends to occur in wavelike annual pandemics."
And these rings are indicative of the crystal structure of nickel and can be explained only by invoking wavelike properties of light.