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clearance spaces
plural of clearance space
clearance holes
plural of clearance hole
clearance rate
(crime, law enforcement) The proportion of crimes that are solved by the police with respect to the total number of crimes reported.
clearance rates
plural of clearance rate
clearance hole
A hole through an object which is large enough to enable threads of a screw or bolt to pass through but not the head of the screw or bolt.
clearance space
In a steam engine, the space enclosed in one end of the cylinder, between the valve(s) and the piston, at the beginning of a stroke; waste room. It includes the space caused by the piston's clearance and the space in ports, passageways, etc. Its volume is often expressed as a certain proportion of the volume swept by the piston in a single stroke.
Q clearance
(US) A security clearance issued by the United States Department of Energy, allowing access to top-secret material.
L clearance
(US) A security clearance issued by the United States Department of Energy, allowing civilian access to nuclear-related materials, but less rigorous than a Q clearance.
