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exponent

## exponent

```  3  definitions  found

From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]:

Exponent  \Ex*po"nent\,  n.  [L.  exponens,  -entis,  p.  pr  of
exponere  to  put  out  set  forth,  expose.  See  {Expound}.]
1.  (Alg.)  A  number,  letter,  or  any  quantity  written  on  the
right  hand  of  and  above  another  quantity,  and  denoting  how
many  times  the  latter  is  repeated  as  a  factor  to  produce
the  power  indicated;

Note:  thus  a^{2}  denotes  the  second  power,  and  a^{n}  the  xth
power,  of  a  (2  and  x  being  the  exponents).  A  fractional
exponent,  or  index,  is  used  to  denote  the  root  of  a
quantity.  Thus  a^{1/3}  denotes  the  third  or  cube  root
of  a.

2.  One  who  or  that  which  stands  as  an  index  or
representative;  as  the  leader  of  a  party  is  the  exponent
of  its  principles.

{Exponent  of  a  ratio},  the  quotient  arising  when  the
antecedent  is  divided  by  the  consequent;  thus  6  is  the
exponent  of  the  ratio  of  30  to  5.  [R.]

From  WordNet  r  1.6  [wn]:

exponent
n  1:  a  person  who  pleads  for  a  cause  or  idea  [syn:  {advocate},  {proponent}]
2:  a  mathematical  notation  indicating  the  number  of  times  a
quantity  is  multiplied  by  itself  [syn:  {power},  {index}]

From  The  Free  On-line  Dictionary  of  Computing  (13  Mar  01)  [foldoc]:

exponent

(Or  "characteristic")  The  part  of  a
{floating-point}  number  specifying  the  power  of  ten  by  which
the  {mantissa}  should  be  multiplied.  In  the  common  notation,
e.g.  3.1E8,  the  exponent  is  8.

(1995-02-27)

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