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Entry 3 senses · 2 variants Webster, 1913

Cube

/(kūb)/ · IPA /kjub/
01 n. A regular solid body, with six equal square sides.
  1. 1.
    A regular solid body, with six equal square sides.(Geom.)
  2. 2.
    The product obtained by taking a number or quantity three times as a factor; as, 4x4=16, and 16x4=64, the cube of 4.(Math.)
Phrases & compounds
Cube ore — pharmacosiderite. It commonly crystallizes in cubes of a green color.
Cube root — 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 — anhydrite; anhydrous calcium sulphate.
02 v. t. To raise to the third power; to obtain the cube of.
imp. & p. p. Cubed; p. pr. & vb. n. Cubing
  1. 1.
    To raise to the third power; to obtain the cube of.