browse words by letter
a b c d e f g h i j k l m n o p q r s t u v w x y z
duplex

more about duplex

duplex


  4  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Duplex  \Du"plex\,  v.  t.  [See  {Duplex},  a.]  (Teleg.) 
  To  arrange,  as  a  telegraph  line  so  that  two  messages  may  be 
  transmitted  simultaneously;  to  equip  with  a  duplex 
  telegraphic  outfit. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Duplex  \Du"plex\,  a.  [L.,  fr  duo  two  +  plicare  to  fold.  See 
  {Two},  and  {Complex}.] 
  Double;  twofold. 
 
  {Duplex  escapement},  a  peculiar  kind  of  watch  escapement,  in 
  which  the  scape-wheel  has  two  sets  of  teeth.  See 
  {Escapement}. 
 
  {Duplex  lathe},  one  for  turning  off  screwing,  and  surfacing, 
  by  means  of  two  cutting  tools,  on  opposite  sides  of  the 
  piece  operated  upon 
 
  {Duplex  pumping  engine},  a  steam  pump  in  which  two  steam 
  cylinders  are  placed  side  by  side  one  operating  the 
  valves  of  the  other 
 
  {Duplex  querela}  [L.,  double  complaint]  (Eccl.  Law),  a 
  complaint  in  the  nature  of  an  appeal  from  the  ordinary  to 
  his  immediate  superior,  as  from  a  bishop  to  an  archbishop. 
  --Mozley  &  W. 
 
  {Duplex  telegraphy},  a  system  of  telegraphy  for  sending  two 
  messages  over  the  same  wire  simultaneously. 
 
  {Duplex  watch},  one  with  a  duplex  escapement. 
 
  From  WordNet  r  1.6  [wn]: 
 
  duplex 
  adj  1:  (used  technically  of  a  device  or  process)  having  two  parts 
  "a  duplex  transaction" 
  2:  (telecommunication)  allowing  communication  in  opposite 
  directions  simultaneously;  "duplex  system";  "duplex 
  telephony" 
  n  1:  a  house  with  two  units  sharing  a  common  wall  [syn:  {duplex 
  house},  {semidetached  house}] 
  2:  an  apartment  having  rooms  on  two  floors  that  are  connected 
  by  a  staircase  [syn:  {duplex  apartment}] 
 
  From  The  Free  On-line  Dictionary  of  Computing  (13  Mar  01)  [foldoc]: 
 
  duplex 
 
    Communications  with  one  channel  in  each 
  direction.  If  data  can  flow  in  both  directions  simultaneously 
  the  communications  is  "{full-duplex}"  else  it  is 
  "{half-duplex}". 
 
  A  {simplex}  channel  can  only  carry  one  message  at  a  time, 
  though  it  does  not  imply  the  channel  is  unidirectional. 
 
  The  term  duplex"  was  first  used  in  wireless,  telegraph,  and 
  telephone  communications,  where  duplex"  circuits  between 
  communicating  terminals  were  capable  of  transmission  in  both 
  directions,  and  simplex"  indicated  transmission  from  a  sender 
  to  a  reciever,  or  broadcast  to  several  potential  receivers. 
 
  Nearly  all  communications  circuits  used  by  computers  are 
  two-way,  so  the  distinction  between  simplex  and  duplex  is 
  seldom  made 
 
  (2000-03-30) 
 
 




more about duplex