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Meaning of CLEARANCE

Pronunciation:  'kleeruns

WordNet Dictionary
  1. [n]  permission to proceed; "the plane was given clearance to land"
  2. [n]  the distance by which one thing clears another; the space between them
  3. [n]  vertical space available to allow easy passage under something

CLEARANCE is a 9 letter word that starts with C.


 Synonyms: headroom, headway
 See Also: elbow room, interval, license, permission, permit, room, separation, way



Webster's 1913 Dictionary
\Clear"ance\ (-ans), n.
1. The act of clearing; as, to make a thorough clearance.

2. A certificate that a ship or vessel has been cleared at
   the customhouse; permission to sail.

         Every ship was subject to seizure for want of
         stamped clearances.                   --Durke

3. Clear or net profit. --Trollope.

4. (Mach.) The distance by which one object clears another,
   as the distance between the piston and cylinder head at
   the end of a stroke in a steam engine, or the least
   distance between the point of a cogwheel tooth and the
   bottom of a space between teeth of a wheel with which it

{Clearance space} (Steam engine), the space inclosed in one
   end of the cylinder, between the valve or valves 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.

Thesaurus Terms
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