any of various small butterflies of the family Lycaenidae having coppery wings
a reddish-brown color resembling the color of polished copper
a copper penny
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
crested thick-billed North American finch having bright red plumage in the male
a variable color averaging a vivid red
(Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes
serving as an essential component; "a cardinal rule"; "the central cause of the problem"; "an example that was fundamental to the argument"; "computers are fundamental to modern industrial structure"
being or denoting a numerical quantity but not order; "cardinal numbers"
a United States coin worth one twentieth of a dollar
five dollars worth of a drug; "a nickel bag of drugs"; "a nickel deck of heroin"
a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
red color or pigment; the chromatic color resembling the hue of blood
a tributary of the Mississippi River that flows eastward from Texas along the southern boundary of Oklahoma and through Louisiana
red with or characterized by blood; "waving our red weapons o'er our heads"- Shakespeare; "The Red Badge of Courage"; "the red rules of tooth and claw"- P.B.Sears
of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies