01 n. A precious stone or gem excelling in brilliancy and beautiful play of prismatic colors, and remarkable for extreme hardness.
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1.
A precious stone or gem excelling in brilliancy and beautiful play of prismatic colors, and remarkable for extreme hardness.
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2.
A geometrical figure, consisting of four equal straight lines, and having two of the interior angles acute and two obtuse; a rhombus; a lozenge.
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3.
One of a suit of playing cards, stamped with the figure of a diamond.
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4.
A pointed projection, like a four-sided pyramid, used for ornament in lines or groups.(Arch.)
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5.
The infield; the square space, 90 feet on a side, having the bases at its angles.(Baseball)
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6.
The smallest kind of type in English printing, except that called brilliant, which is seldom seen.(Print.)
Phrases & compounds
Black diamond —
coal;
Diamond beetle —
a large South American weevil (Entimus imperialis), remarkable for its splendid luster and colors, due to minute brilliant scales.
Diamond bird —
a small Australian bird (Pardalotus punctatus, family Ampelidæ.). It is black, with white spots.
Diamond drill —
a rod or tube the end of which is set with black diamonds; -- used for perforating hard substances, esp. for boring in rock.
Diamond finch —
a small Australian sparrow, often kept in a cage. Its sides are black, with conspicuous white spots, and the rump is bright carmine.
Diamond groove —
a groove of V-section in a roll.
Diamond mortar —
a small steel mortar used for pulverizing hard substances.
Diamond-point tool —
a cutting tool whose point is diamond-shaped.
Diamond snake —
a harmless snake of Australia (Morelia spilotes); the carpet snake.
Glazier's diamond —
a small diamond set in a glazier's tool, for cutting glass.