Dictionary De - En
De - Es
De - Pt| English Dictionary: cube spar | by the DICT Development Group |
| 2 results for cube spar | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
|
Spar \Spar\, n. [AS. sp[91]r in sp[91]rst[be]n chalkstone; akin to MHG. spar, G. sparkalk plaster.] (Min.) An old name for a nonmetallic mineral, usually cleavable and somewhat lustrous; as, calc spar, or calcite, fluor spar, etc. It was especially used in the case of the gangue minerals of a metalliferous vein. {Blue spar}, {Cube spar}, etc. See under {Blue}, {Cube}, etc. | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
|
Cube \Cube\ (k?b), n. [F. cube, L. cubus, fr. Gr. [?][?][?][?] a cube, a cubical die.] 1. (Geom.) A regular solid body, with six equal square sides. 2. (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. {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. | |
