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subtractionmore about subtraction


  3  definitions  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Subtraction  \Sub*trac"tion\,  n.  [L.  subtractio  a  drawing  back 
  See  {Subtract},  and  cf  {Substraction}.] 
  1.  The  act  or  operation  of  subtracting  or  taking  away  a  part 
  2.  (Math.)  The  taking  of  a  lesser  number  or  quantity  from  a 
  greater  of  the  same  kind  or  denomination;  an  operation  for 
  finding  the  difference  between  two  numbers  or  quantities. 
  3.  (Law)  The  withdrawing  or  withholding  from  a  person  of  some 
  right  to  which  he  is  entitled  by  law. 
  Note:  Thus  the  subtraction  of  conjugal  rights  is  when  either 
  the  husband  or  wife  withdraws  from  the  other  and  lives 
  separate  without  sufficient  reason.  The  subtraction  of 
  a  legacy  is  the  withholding  or  detailing  of  it  from  the 
  legatee  by  the  executor.  In  like  manner,  the 
  withholding  of  any  service,  rent,  duty,  or  custom,  is  a 
  subtraction,  for  which  the  law  gives  a  remedy. 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Compound  \Com"pound\,  a.  [OE.  compouned,  p.  p.  of  compounen  See 
  {Compound},  v.  t.] 
  Composed  of  two  or  more  elements,  ingredients,  parts 
  produced  by  the  union  of  several  ingredients,  parts  or 
  things  composite;  as  a  compound  word 
  Compound  substances  are  made  up  of  two  or  more  simple 
  substances.  --I.  Watts. 
  {Compound  addition},  {subtraction},  {multiplication}, 
  {division}  (Arith.),  the  addition,  subtraction,  etc.,  of 
  compound  numbers. 
  {Compound  crystal}  (Crystallog.),  a  twin  crystal,  or  one 
  seeming  to  be  made  up  of  two  or  more  crystals  combined 
  according  to  regular  laws  of  composition. 
  {Compound  engine}  (Mech.),  a  form  of  steam  engine  in  which 
  the  steam  that  has  been  used  in  a  high-pressure  cylinder 
  is  made  to  do  further  service  in  a  larger  low-pressure 
  cylinder,  sometimes  in  several  larger  cylinders, 
  {Compound  ether}.  (Chem.)  See  under  {Ether}. 
  {Compound  flower}  (Bot.),  a  flower  head  resembling  a  single 
  flower,  but  really  composed  of  several  florets  inclosed  in 
  a  common  calyxlike  involucre,  as  the  sunflower  or 
  {Compound  fraction}.  (Math.)  See  {Fraction}. 
  {Compound  fracture}.  See  {Fracture}. 
  {Compound  householder},  a  householder  who  compounds  or 
  arranges  with  his  landlord  that  his  rates  shall  be 
  included  in  his  rents.  [Eng.] 
  {Compound  interest}.  See  {Interest}. 
  {Compound  larceny}.  (Law)  See  {Larceny}. 
  {Compound  leaf}  (Bot.),  a  leaf  having  two  or  more  separate 
  blades  or  leaflets  on  a  common  leafstalk. 
  {Compound  microscope}.  See  {Microscope}. 
  {Compound  motion}.  See  {Motion}. 
  {Compound  number}  (Math.),  one  constructed  according  to  a 
  varying  scale  of  denomination;  as  3  cwt.,  1  qr.,  5  lb.; 
  --  called  also  {denominate  number}. 
  {Compound  pier}  (Arch.),  a  clustered  column. 
  {Compound  quantity}  (Alg.),  a  quantity  composed  of  two  or 
  more  simple  quantities  or  terms,  connected  by  the  sign  + 
  (plus)  or  -  (minus).  Thus  a  +  b  -  c,  and  bb  -  b,  are 
  compound  quantities. 
  {Compound  radical}.  (Chem.)  See  {Radical}. 
  {Compound  ratio}  (Math.),  the  product  of  two  or  more  ratios; 
  thus  ab:cd  is  a  ratio  compounded  of  the  simple  ratios  a:c 
  and  b:d. 
  {Compound  rest}  (Mech.),  the  tool  carriage  of  an  engine 
  {Compound  screw}  (Mech.),  a  screw  having  on  the  same  axis  two 
  or  more  screws  with  different  pitch  (a  differential 
  screw),  or  running  in  different  directions  (a  right  and 
  left  screw). 
  {Compound  time}  (Mus.),  that  in  which  two  or  more  simple 
  measures  are  combined  in  one  as  6-8  time  is  the  joining 
  of  two  measures  of  3-8  time. 
  {Compound  word},  a  word  composed  of  two  or  more  words 
  specifically,  two  or  more  words  joined  together  by  a 
  From  WordNet  r  1.6  [wn]: 
  n  1:  an  arithmetic  operation  in  which  the  difference  between  two 
  numbers  is  calculated;  "the  subtraction  of  three  from 
  four  leaves  one";  "four  minus  three  equals  one"  [syn:  {minus}] 
  2:  the  act  of  subtracting  (removing  a  part  from  the  whole);  "he 
  complained  about  the  subtraction  of  money  from  their 
  paychecks"  [syn:  {deduction}]  [ant:  {addition}] 

more about subtraction