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
Abbreviation of cubitus.
Initialism of credit union.
cubic in a variety of English customary units (examples: cubic inch, cubic foot).
Christian Union (bodies of Christian students in UK schools, colleges and universities)
in stamp descriptions, commercially used.