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Noun: clearance  kleer-un(t)s
  1. The distance by which one thing clears another; the space between them
     
  2. Vertical space available to allow easy passage under something
    - headroom, headway
     
  3. Permission to proceed
    "the plane was given clearance to land"
     
  4. Official permission or approval
    "clearance for the program was renewed several times";
    - authority, authorization, authorisation [Brit], sanction
     
  5. (medicine) the rate of removal of substances from the blood

Derived forms: clearances

Type of: elbow room, interval, licence [Brit, Cdn], license [N. Amer], permission, permit, room, separation, way

Encyclopedia: Clearance

Nearest

clear away
clear liquid diet
clear off
clear out
clear sailing
clear the air
clear the decks
clear the throat
clear up
clear-air turbulence
clearance
clearance sale
clearcole
clear-cut
clearcutness
cleared
clear-eyed
clearheaded
clear-headedness
clearing
clearing bank