having a play of lustrous rainbow-like colors; "an iridescent oil slick"; "nacreous (or pearlescent) clouds looking like mother-of-pearl"; "a milky opalescent (or opaline) luster"
strikingly strange or unusual; "an exotic hair style"; "protons, neutrons, electrons and all their exotic variants"; "the exotic landscape of a dead planet"
any of various flowers of plants of the genus Dianthus cultivated for their fragrant flowers
of a light shade of red
cut in a zigzag pattern with pinking shears, in sewing
sound like a car engine that is firing too early; "the car pinged when I put in low-octane gasoline"; "The car pinked when the ignition was too far retarded"