[1] : The Collaborative International Dictionary of English v.0.48

modulus \mod"ulus\, n.; pl. moduli. l., a small measure. see
   module, n. math., mech.,  physics
   a quantity or coefficient, or constant, which expresses the
   measure of some specified force, property, or quality, as of
   elasticity, strength, efficiency, etc.; a parameter.
   1913 webster

   modulus of a machine, a formula expressing the work which a
      given machine can perform under the conditions involved in
      its construction; the relation between the work done upon
      a machine by the moving power, and that yielded at the
      working points, either constantly, if its motion be
      uniform, or in the interval of time which it occupies in
      passing from any given velocity to the same velocity
      again, if its motion be variable; -- called also the
      efficiency of the machine. --mosley. --rankine.

   modulus of a system of logarithms math., a number by
      which all the napierian logarithms must be multiplied to
      obtain the logarithms in another system.

   modulus of elasticity.
   a the measure of the elastic force of any substance,
       expressed by the ratio of a stress on a given unit of the
       substance to the accompanying distortion, or strain.
   b an expression of the force usually in terms of the
       height in feet or weight in pounds of a column of the
       same body which would be necessary to elongate a
       prismatic body of a transverse section equal to a given
       unit, as a square inch or foot, to double, or to compress
       it to half, its original length, were that degree of
       elongation or compression possible, or within the limits
       of elasticity; -- called also young's modulus.

   modulus of rupture, the measure of the force necessary to
      break a given substance across, as a beam, expressed by
      eighteen times the load which is required to break a bar
      of one inch square, supported flatwise at two points one
      foot apart, and loaded in the middle between the points of
      support. --rankine.
      1913 webster
see also:
moduli module modulus of a machine modulus of a system of logarithms modulus of elasticity young's modulus 
modulus of rupture 

[2] : WordNet (r) 2.0

modulus
     n 1: an integer that can be divided without remainder into the
          difference between two other integers; "2 is a modulus
          of 5 and 9"
     2: the absolute value of a complex number
     3: physics a coefficient that expresses how much of a
        specified property is possessed by a specified substance
     also: moduli pl
see also:
moduli 

[3] : WordNet (r) 2.0

moduli
     see modulus
see also:
modulus 

Moduli >> M Words
Moduli, definition of term: Moduli
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