the outer boundary of an artifact or a material layer constituting or resembling such a boundary | any of various small butterflies of the family Lycaenidae having coppery wings |
a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight | a reddish-brown color resembling the color of polished copper |
a superficial aspect as opposed to the real nature of something | uncomplimentary terms for a policeman |
information that has become public | a copper penny |
the extended two-dimensional outer boundary of a three-dimensional object | a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor |
the outermost level of the land or sea | |