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

null \null\, n.
   1. something that has no force or meaning.
      1913 webster

   2. that which has no value; a cipher; zero. --bacon.
      1913 webster

   null method physics., a zero method. see under zero.
      1913 webster
see also:
null method zero 

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

zero \ze"ro\, n.; pl. zerosor zeroes. f. z'ero, from ar.
   ,cafrun, ,cifrun, empty, a cipher. cf. cipher.
   1913 webster
   1. arith. a cipher; nothing; naught.
      1913 webster

   2. the point from which the graduation of a scale, as of a
      thermometer, commences.
      1913 webster

   note: zero in the centigrade, or celsius thermometer, and in
         the r'eaumur thermometer, is at the point at which
         water congeals. the zero of the fahrenheit thermometer
         is fixed at the point at which the mercury stands when
         immersed in a mixture of snow and common salt. in
         wedgwood's pyrometer, the zero corresponds with
         1077deg on the fahrenheit scale. see illust. of
         thermometer.
         1913 webster

   3. fig.: the lowest point; the point of exhaustion; as, his
      patience had nearly reached zero.
      1913 webster

   absolute zero. see under absolute.

   zero method physics, a method of comparing, or measuring,
      forces, electric currents, etc., by so opposing them that
      the pointer of an indicating apparatus, or the needle of a
      galvanometer, remains at, or is brought to, zero, as
      contrasted with methods in which the deflection is
      observed directly; -- called also null method.

   zero point, the point indicating zero, or the commencement
      of a scale or reckoning.
      1913 webster
      1913 webster
see also:
zeros zeroes cipher thermometer absolute zero absolute 
zero method null method zero point 

Method >> M Words
Method, definition of term: Method
method_pag1.html

Null >> N Words
Null, definition of term: Null
null_pag1.html

Socratic Method >> S Words
Socratic Method, definition of term: Socratic Method
socratic+method_pag1.html

Rhythm Method >> R Words
Rhythm Method, definition of term: Rhythm Method
rhythm+method_pag1.html

Eclectic Method >> E Words
Eclectic Method, definition of term: Eclectic Method
eclectic+method_pag1.html