lever arch file definition, lever arch file meaning | English dictionary

Collins

lever  


      n  
1    a rigid bar pivoted about a fulcrum, used to transfer a force to a load and usually to provide a mechanical advantage  
2    any of a number of mechanical devices employing this principle  
3    a means of exerting pressure in order to accomplish something; strategic aid  
      vb  
4    to prise or move (an object) with a lever  
     (C13: from Old French leveour, from lever to raise, from Latin levare, from levis light)  
  lever-like      adj  


collective pitch lever  
      n   a lever in a helicopter to change the angle of attack of all the rotor blades simultaneously, causing it to rise or descend  
   Compare       cyclic pitch lever  
cyclic pitch lever  
      n   a lever in a helicopter to change the angle of attack of individual rotor blades, causing the helicopter to move forwards, backwards, or sideways  
   Compare       collective pitch lever  
gear lever   ,   (U.S. and Canadian)   gearshift  
      n   a lever used to move gearwheels relative to each other, esp. in a motor vehicle  
English Collins Dictionary - English Definition & Thesaurus  
Collaborative Dictionary     English Definition
adj.
[arch.] near in space, time or relation, almost (followed by: upon)
"nigh upon" is even stronger in keeping with an antiquated, even biblical style. "The end of the world is nigh upon us"

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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"