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"
United States diplomat who did the groundwork for creating the United Nations (1871-1955)
United States naval officer who commanded the `Constitution' during the War of 1812 and won a series of brilliant victories against the British (1773-1843)
persistent enlarged calyx at base of e.g. a strawberry or raspberry