Ball race
noun (engineering)
a ball bearing
one of the metal rings having a circular track within which the b-lls of the bearing roll
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- Ball thrombus
ball thrombus ball thrombus n. an antemortem thrombus sometimes found in the left atrium in mitral stenosis.
- Ball turning
the turning of arms or legs on furniture to make them resemble a continuous row of b-lls. historical examples the gate table on the same page with eight legs is a good example of ball turning. chats on cottage and farmhouse furniture arthur hayden a simple attachment for ball turning in an ordinary lathe is […]
- Ball valve
a valve controlling flow by means of a ball pierced with an opening in one direction and fixed to rotate on a spindle at right angles to the opening. any valve that checks flow by the seating of a ball. historical examples near the bend is an outlet tube, c, provided with “ball valve” or […]
- Ball washer
noun in golf, a device found near the tee of some holes on a course, used for cleaning dirt off of golf b-lls
- Ball clay
a fine dark kaolinic clay that turns white or nearly white when fired, used in the manufacture of a wide variety of ceramic wares in combination with other clays for its exceptional bonding properties and plasticity. historical examples the use of a ball clay is therefore limited in white wares because it will spoil the […]