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Dead lift

Source : Webster's Revised Unabridged Dictionary (1913)



   4. That by means of which a person or thing lifts or is
      lifted; as:
      (a) A hoisting machine; an elevator; a dumb waiter.
      (b) A handle.
      (c) An exercising machine.

   5. A rise; a degree of elevation; as, the lift of a lock in
      canals.

   6. A lift gate. See {Lift gate}, below. [Prov. Eng.]

   7. (Naut.) A rope leading from the masthead to the extremity
      of a yard below; -- used for raising or supporting the end
      of the yard.

   8. (Mach.) One of the steps of a cone pulley.

   9. (Shoemaking) A layer of leather in the heel.

   10. (Horology) That portion of the vibration of a balance
       during which the impulse is given. --Saunier.

   {Dead lift}. See under {Dead}. --Swift.

   {Lift bridge}, a kind of drawbridge, the movable part of
      which is lifted, instead of being drawn aside.

   {Lift gate}, a gate that is opened by lifting.

   {Lift hammer}. See {Tilt hammer}.

   {Lift lock}, a canal lock.

   {Lift pump}, a lifting pump.

   {Lift tenter} (Windmills), a governor for regulating the
      speed by adjusting the sails, or for adjusting the action
      of grinding machinery according to the speed.

   {Lift wall} (Canal Lock), the cross wall at the head of the
      lock.



   {Dead letter}.
       (a) A letter which, after lying for a certain fixed time
           uncalled for at the post office to which it was
           directed, is then sent to the general post office to
           be opened.
       (b) That which has lost its force or authority; as, the
           law has become a dead letter.

   {Dead-letter office}, a department of the general post office
      where dead letters are examined and disposed of.

   {Dead level}, a term applied to a flat country.

   {Dead lift}, a direct lift, without assistance from
      mechanical advantage, as from levers, pulleys, etc.;
      hence, an extreme emergency. ``(As we say) at a dead
      lift.'' --Robynson (More's Utopia).

   {Dead line} (Mil.), a line drawn within or around a military
      prison, to cross which involves for a prisoner the penalty
      of being instantly shot.

   {Dead load} (Civil Engin.), a constant, motionless load, as
      the weight of a structure, in distinction from a moving
      load, as a train of cars, or a variable pressure, as of
      wind.

   {Dead march} (Mus.), a piece of solemn music intended to be
      played as an accompaniment to a funeral procession.

   {Dead nettle} (Bot.), a harmless plant with leaves like a
      nettle ({Lamium album}).

   {Dead oil} (Chem.), the heavy oil obtained in the
      distillation of coal tar, and containing phenol,
      naphthalus, etc.
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