Ball ice
floating b-lls of slushy ice formed at sea.
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- Ball indicator
bank indicator. a flight instrument that measures the angle of roll about an aircraft’s horizontal axis, thereby indicating whether or not the aircraft is skidding or slipping.
- Ball is in someone's court, the
ball is in someone’s court, the sentence the next action, decision, response, etc, belongs to the person or persons indicated: that’s my offer. the ball is in your court [1960s+; fr tennis]
- Ball jack
a spherical or approximately spherical body or shape; sphere: he rolled the piece of paper into a ball. a round or roundish body, of various sizes and materials, either hollow or solid, for use in games, as baseball, football, tennis, or golf. a game played with a ball, especially baseball: the boys are out playing […]
- Ball joint
ball-and-socket joint (def 2). historical examples it is obvious that the ball joint between b and c permits the fl-ng- a to set at an angle if necessary. modern machine-shop practice, volumes i and ii joshua rose noun another name for ball-and-socket joint
- Ball mill
a grinding mill in which the material to be ground is tumbled in a drum with heavy b-lls of iron, steel, or stone. historical examples in another type of mill, called the ball mill, the principle is different. marvels of scientific invention thomas w. corbin noun (engineering) a horizontal cylinder or cone in which a […]