GNU Collaborative International Dictionary of English

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Found 2 definitions

1.       
   Cube , n. [F. cube, L. cubus, fr. Gr.  a cube, a cubical die.]
   (Geom.) A regular solid body, with six equal square sides.
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   (Math.) The product obtained by taking a number or quantity three times as a factor; as, 4x4=16, and 16x4=64, the cube of 4.
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   Cube ore (Min.), pharmacosiderite. It commonly crystallizes in cubes of a green color. -- Cube root. (Math.), the number or quantity which, multiplied into itself, and then into the product, produces the given cube; thus, 3 is the cube root of 27, for 3x3x3 = 27. -- Cube spar (Min.), anhydrite; anhydrous calcium sulphate.
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2.       
   Cube, v. t. [imp. & p. p. Cubed ; p. pr. & vb. n. Cubing.] To raise to the third power; to obtain the cube of.
   1913 Webster