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## tangent

```  4  definitions  found

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

Tangent  \Tan"gent\,  n.  [L.  tangens,  -entis,  p.  pr  of  tangere  to
touch;  akin  to  Gr  ?  having  seized:  cf  F.  tangente.  Cf
{Attain},  {Contaminate},  {Contingent},  {Entire},  {Tact},
{Taste},  {Tax},  v.  t.]  (Geom.)
A  tangent  line  curve,  or  surface;  specifically,  that  portion
of  the  straight  line  tangent  to  a  curve  that  is  between  the
point  of  tangency  and  a  given  line  the  given  line  being  for
example,  the  axis  of  abscissas,  or  a  radius  of  a  circle
produced.  See  {Trigonometrical  function},  under  {Function}.

{Artificial},  or  {Logarithmic},  {tangent},  the  logarithm  of
the  natural  tangent  of  an  arc.

{Natural  tangent},  a  decimal  expressing  the  length  of  the
tangent  of  an  arc,  the  radius  being  reckoned  unity.

{Tangent  galvanometer}  (Elec.),  a  form  of  galvanometer  having
a  circular  coil  and  a  short  needle,  in  which  the  tangent
of  the  angle  of  deflection  of  the  needle  is  proportional
to  the  strength  of  the  current.

{Tangent  of  an  angle},  the  natural  tangent  of  the  arc
subtending  or  measuring  the  angle.

{Tangent  of  an  arc},  a  right  line  as  ta  touching  the  arc  of
a  circle  at  one  extremity  a,  and  terminated  by  a  line  ct
passing  from  the  center  through  the  other  extremity  o.

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

Tangent  \Tan"gent\,  a.  [L.  tangens,  -entis,  p.  pr.]
Touching;  touching  at  a  single  point;  specifically  (Geom.)
meeting  a  curve  or  surface  at  a  point  and  having  at  that
point  the  same  direction  as  the  curve  or  surface;  --  said  of
a  straight  line  curve,  or  surface;  as  a  line  tangent  to  a
curve;  a  curve  tangent  to  a  surface;  tangent  surfaces.

{Tangent  plane}  (Geom.),  a  plane  which  touches  a  surface  in  a
point  or  line

{Tangent  scale}  (Gun.),  a  kind  of  breech  sight  for  a  cannon.

{Tangent  screw}  (Mach.),  an  endless  screw;  a  worm.

From  WordNet  r  1.6  [wn]:

tangent
n  1:  a  straight  line  that  touches  but  does  not  intersect  a  curve
2:  ratio  of  the  opposite  to  the  adjacent  side

From  U.S.  Gazetteer  (1990)  [gazetteer]:

Tangent,  OR  (city,  FIPS  72600)
Location:  44.55120  N,  123.10790  W
Population  (1990):  556  (207  housing  units)
Area:  9.8  sq  km  (land),  0.0  sq  km  (water)
Zip  code(s):  97389
```