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triangular


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Triangular  \Tri*an"gu*lar\,  a.  [L.  triangularis:  cf  F. 
  triangulaire.] 
  1.  Having  three  angles;  having  the  form  of  a  triangle. 
 
  2.  (Bot.)  Oblong  or  elongated,  and  having  three  lateral 
  angles;  as  a  triangular  seed,  leaf,  or  stem. 
 
  {Triangular  compasses},  compasses  with  three  legs  for  taking 
  off  the  angular  points  of  a  triangle,  or  any  three  points 
  at  the  same  time. 
 
  {Triangular  crab}  (Zo["o]l.),  any  maioid  crab;  --  so  called 
  because  the  carapace  is  usually  triangular. 
 
  {Triangular  numbers}  (Math.),  the  series  of  numbers  formed  by 
  the  successive  sums  of  the  terms  of  an  arithmetical 
  progression,  of  which  the  first  term  and  the  common 
  difference  are  1.  See  {Figurate  numbers},  under 
  {Figurate}. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Compasses  \Com"pass*es\,  n.,  pl 
  An  instrument  for  describing  circles,  measuring  figures, 
  etc.,  consisting  of  two  or  (rarely)  more  pointed  branches, 
  or  legs,  usually  joined  at  the  top  by  a  rivet  on  which  they 
  move 
 
  Note:  The  compasses  for  drawing  circles  have  adjustable  pen 
  points,  pencil  points,  etc.;  those  used  for  measuring 
  without  adjustable  points  are  generally  called 
  dividers.  See  {Dividers}. 
 
  {Bow  compasses}.  See  {Bow-compass}. 
 
  {Caliber  compasses},  {Caliper  compasses}.  See  {Calipers}. 
 
  {Proportional},  {Triangular},  etc.,  {compasses}.  See  under 
  {Proportional},  etc 
 
  From  WordNet  r  1.6  [wn]: 
 
  triangular 
  adj  1:  having  three  angles;  forming  or  shaped  like  a  triangle;  "a 
  triangular  figure";  "a  triangular  pyrimid  has  a 
  triangle  for  a  base" 
  2:  involving  three  parties  or  elements;  "the  triangular 
  mother-father-child  relationship";  "a  trilateral 
  agreement";  "a  tripartite  treaty";  "a  tripartite 
  division";  "a  three-way  playoff"  [syn:  {trilateral},  {tripartite}, 
  {three-party},  {three-way}] 
  3:  having  three  sides;  "a  trilateral  figure"  [syn:  {trilateral}, 
  {three-sided}] 




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