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

negativemore about negative

negative


  7  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Reversed  \Re*versed"\,  a. 
  1.  Turned  side  for  side  or  end  for  end  changed  to  the 
  contrary;  specifically  (Bot.  &  Zo["o]l.),  sinistrorse  or 
  sinistral;  as  a  reversed,  or  sinistral,  spiral  or  shell. 
 
  2.  (Law)  Annulled  and  the  contrary  substituted;  as  a 
  reversed  judgment  or  decree. 
 
  {Reversed  positive}  or  {negative}  (Photog.),  a  picture 
  corresponding  with  the  original  in  light  and  shade,  but 
  reversed  as  to  right  and  left  --Abney. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Negative  \Neg"a*tive\,  a.  [F.  n['e]gatif,  L.  negativus  fr 
  negare  to  deny.  See  {Negation}.] 
  1.  Denying;  implying,  containing,  or  asserting  denial, 
  negation  or  refusal;  returning  the  answer  no  to  an  inquiry 
  or  request;  refusing  assent;  as  a  negative  answer;  a 
  negative  opinion;  --  opposed  to  {affirmative}. 
 
  If  thou  wilt  confess,  Or  else  be  impudently 
  negative.  --Shak. 
 
  Denying  me  any  power  of  a  negative  voice.  --Eikon 
  Basilike 
 
  Something  between  an  affirmative  bow  and  a  negative 
  shake.  --Dickens. 
 
  2.  Not  positive;  without  affirmative  statement  or 
  demonstration;  indirect;  consisting  in  the  absence  of 
  something  privative;  as  a  negative  argument;  a  negative 
  morality;  negative  criticism. 
 
  There  in  another  way  of  denying  Christ,  .  .  .  which 
  is  negative,  when  we  do  not  acknowledge  and  confess 
  him  --South. 
 
  3.  (Logic)  Asserting  absence  of  connection  between  a  subject 
  and  a  predicate;  as  a  negative  proposition. 
 
  4.  (Photog.)  Of  or  pertaining  to  a  picture  upon  glass  or 
  other  material,  in  which  the  lights  and  shades  of  the 
  original,  and  the  relations  of  right  and  left  are 
  reversed. 
 
  5.  (Chem.)  Metalloidal;  nonmetallic;  --  contracted  with 
  positive  or  basic;  as  the  nitro  group  is  negative. 
 
  Note:  This  word  derived  from  electro-negative,  is  now 
  commonly  used  in  a  more  general  sense  when  acidiferous 
  is  the  intended  signification. 
 
  {Negative  crystal}. 
  a  A  cavity  in  a  mineral  mass,  having  the  form  of  a 
  crystal. 
  b  A  crystal  which  has  the  power  of  negative  double 
  refraction.  See  {refraction}. 
 
  {negative  electricity}  (Elec.),  the  kind  of  electricity  which 
  is  developed  upon  resin  or  ebonite  when  rubbed,  or  which 
  appears  at  that  pole  of  a  voltaic  battery  which  is 
  connected  with  the  plate  most  attacked  by  the  exciting 
  liquid;  --  formerly  called  {resinous  electricity}.  Opposed 
  to  {positive  electricity}.  Formerly,  according  to 
  Franklin's  theory  of  a  single  electric  fluid,  negative 
  electricity  was  supposed  to  be  electricity  in  a  degree 
  below  saturation,  or  the  natural  amount  for  a  given  body. 
  see  {Electricity}. 
 
  {Negative  eyepiece}.  (Opt.)  see  under  {Eyepiece}. 
 
  {Negative  quantity}  (Alg.),  a  quantity  preceded  by  the 
  negative  sign,  or  which  stands  in  the  relation  indicated 
  by  this  sign  to  some  other  quantity.  See  {Negative  sign} 
  (below). 
 
  {Negative  rotation},  right-handed  rotation.  See 
  {Right-handed},  3. 
 
  {Negative  sign},  the  sign  -,  or  {minus}  (opposed  in 
  signification  to  +,  or  {plus}),  indicating  that  the 
  quantity  to  which  it  is  prefixed  is  to  be  subtracted  from 
  the  preceding  quantity,  or  is  to  be  reckoned  from  zero  or 
  cipher  in  the  opposite  direction  to  that  of  quanties 
  having  the  sign  plus  either  expressed  or  understood;  thus 
  in  a  -  b,  b  is  to  be  substracted  from  a,  or  regarded  as 
  opposite  to  it  in  value;  and  -10[deg]  on  a  thermometer 
  means  10[deg]  below  the  zero  of  the  scale. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Negative  \Neg"a*tive\,  n.  [Cf.  F.  n['e]gative.] 
  1.  A  proposition  by  which  something  is  denied  or  forbidden;  a 
  conception  or  term  formed  by  prefixing  the  negative 
  particle  to  one  which  is  positive;  an  opposite  or 
  contradictory  term  or  conception. 
 
  This  is  a  known  rule  in  divinity,  that  there  is  no 
  command  that  runs  in  negatives  but  couches  under  it 
  a  positive  duty.  --South. 
 
  2.  A  word  used  in  denial  or  refusal;  as  not  no 
 
  Note:  In  Old  England  two  or  more  negatives  were  often  joined 
  together  for  the  sake  of  emphasis,  whereas  now  such 
  expressions  are  considered  ungrammatical,  being  chiefly 
  heard  in  iliterate  speech.  A  double  negative  is  now 
  sometimes  used  as  nearly  or  quite  equivalent  to  an 
  affirmative. 
 
  No  wine  ne  drank  she  neither  white  nor  red. 
  --Chaucer. 
 
  These  eyes  that  never  did  nor  never  shall  So  much 
  as  frown  on  you  --Shak. 
 
  3.  The  refusal  or  withholding  of  assents;  veto. 
 
  If  a  kind  without  his  kingdom  be  in  a  civil  sense 
  nothing,  then  .  .  .  his  negative  is  as  good  as 
  nothing.  --Milton. 
 
  4.  That  side  of  a  question  which  denies  or  refuses,  or  which 
  is  taken  by  an  opposing  or  denying  party;  the  relation  or 
  position  of  denial  or  opposition;  as  the  question  was 
  decided  in  the  negative. 
 
  5.  (Photog.)  A  picture  upon  glass  or  other  material,  in  which 
  the  light  portions  of  the  original  are  represented  in  some 
  opaque  material  (usually  reduced  silver),  and  the  dark 
  portions  by  the  uncovered  and  transparent  or 
  semitransparent  ground  of  the  picture. 
 
  Note:  A  negative  is  chiefly  used  for  producing  photographs  by 
  means  of  the  sun's  light  passing  through  it  and  acting 
  upon  sensitized  paper,  thus  producing  on  the  paper  a 
  positive  picture. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Negative  \Neg"a*tive\,  v.  t.  [imp.  &  p.  p.  {Negatived};  p.  pr  & 
  vb  n.  {Negativing}.] 
  1.  To  prove  unreal  or  intrue;  to  disprove. 
 
  The  omission  or  infrequency  of  such  recitals  does 
  not  negative  the  existence  of  miracles.  --Paley. 
 
  2.  To  reject  by  vote;  to  refuse  to  enact  or  sanction;  as  the 
  Senate  negatived  the  bill. 
 
  3.  To  neutralize  the  force  of  to  counteract. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Demonstration  \Dem`on*stra"tion\,  n.  [L.  demonstratio:  cf  F. 
  d['e]monstration.] 
  1.  The  act  of  demonstrating;  an  exhibition;  proof; 
  especially,  proof  beyond  the  possibility  of  doubt; 
  indubitable  evidence,  to  the  senses  or  reason. 
 
  Those  intervening  ideas  which  serve  to  show  the 
  agreement  of  any  two  others  are  called  ``proofs;'' 
  and  where  agreement  or  disagreement  is  by  this  means 
  plainly  and  clearly  perceived,  it  is  called 
  demonstration.  --Locke. 
 
  2.  An  expression,  as  of  the  feelings,  by  outward  signs;  a 
  manifestation;  a  show 
 
  Did  your  letters  pierce  the  queen  to  any 
  demonstration  of  grief?  --Shak. 
 
  Loyal  demonstrations  toward  the  prince.  --Prescott. 
 
  3.  (Anat.)  The  exhibition  and  explanation  of  a  dissection  or 
  other  anatomical  preparation. 
 
  4.  (Mil.)  a  decisive  exhibition  of  force,  or  a  movement 
  indicating  an  attack. 
 
  5.  (Logic)  The  act  of  proving  by  the  syllogistic  process,  or 
  the  proof  itself 
 
  6.  (Math.)  A  course  of  reasoning  showing  that  a  certain 
  result  is  a  necessary  consequence  of  assumed  premises;  -- 
  these  premises  being  definitions,  axioms,  and  previously 
  established  propositions. 
 
  {Direct},  or  {Positive},  {demonstration}  (Logic  &  Math.),  one 
  in  which  the  correct  conclusion  is  the  immediate  sequence 
  of  reasoning  from  axiomatic  or  established  premises;  -- 
  opposed  to 
 
  {Indirect},  or  {Negative},  {demonstration}  (called  also 
  {reductio  ad  absurdum}),  in  which  the  correct  conclusion 
  is  an  inference  from  the  demonstration  that  any  other 
  hypothesis  must  be  incorrect. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Eyepiece  \Eye"piece`\,  n.  (Opt.) 
  The  lens,  or  combination  of  lenses,  at  the  eye  end  of  a 
  telescope  or  other  optical  instrument,  through  which  the 
  image  formed  by  the  mirror  or  object  glass  is  viewed. 
 
  {Collimating  eyepiece}.  See  under  {Collimate}. 
 
  {Negative},  or  {Huyghenian},  {eyepiece},  an  eyepiece 
  consisting  of  two  plano-convex  lenses  with  their  curved 
  surfaces  turned  toward  the  object  glass,  and  separated 
  from  each  other  by  about  half  the  sum  of  their  focal 
  distances,  the  image  viewed  by  the  eye  being  formed 
  between  the  two  lenses.  it  was  devised  by  Huyghens  who 
  applied  it  to  the  telescope.  Campani  applied  it  to  the 
  microscope,  whence  it  is  sometimes  called  {Campani's 
  eyepiece}. 
 
  {Positive  eyepiece},  an  eyepiece  consisting  of  two 
  plano-convex  lenses  placed  with  their  curved  surfaces 
  toward  each  other  and  separated  by  a  distance  somewhat 
  less  than  the  focal  distance  of  the  one  nearest  eye,  the 
  image  of  the  object  viewed  being  beyond  both  lenses;  -- 
  called  also  from  the  name  of  the  inventor,  {Ramsden's 
  eyepiece}. 
 
  {terrestrial},  or  {Erecting  eyepiece},  an  eyepiece  used  in 
  telescopes  for  viewing  terrestrial  objects,  consisting  of 
  three  or  usually  four  lenses,  so  arranged  as  to  present 
  the  image  of  the  object  viewed  in  an  erect  position. 
 
  From  WordNet  r  1.6  [wn]: 
 
  negative 
  adj  1:  characterized  by  or  displaying  negation  or  denial  or 
  opposition  or  resistance;  having  no  positive  features; 
  "a  negative  outlook  on  life";  "a  colorless  negative 
  personality";  "a  negative  evaluation";  "a  negative 
  reaction  to  an  advertising  campaign"  [ant:  {neutral}, 
  {positive}] 
  2:  reckoned  in  a  direction  opposite  to  that  regarded  as 
  positive 
  3:  expressing  or  consisting  of  a  negation  or  refusal  or  denial 
  [ant:  {affirmative}] 
  4:  having  the  quality  of  something  harmful  or  unpleasant;  "ran 
  a  negative  campaign";  "delinquents  retarded  by  their 
  negative  outlook  on  life" 
  5:  having  a  negative  electric  charge;  "electrons  are  negative" 
  [syn:  {electronegative}]  [ant:  {neutral},  {positive}] 
  6:  (med)  not  indicating  the  presence  of  microorganisms  or 
  disease  or  a  specific  condition;  "the  HIV  test  was 
  negative"  [syn:  {disconfirming}]  [ant:  {positive}] 
  7:  (mathematics)  less  than  zero;  "a  negative  number" 
  8:  designed  or  tending  to  discredit,  especially  without 
  positive  or  helpful  suggestions;  "negative  criticism" 
  [syn:  {damaging}] 
  9:  involving  disadvantage  or  harm;  "minus  (or  negative) 
  factors"  [syn:  {minus}] 
  n  1:  a  reply  of  denial;  "he  answered  in  the  negative"  [ant:  {affirmative}] 
  2:  a  piece  of  photographic  film  showing  an  image  with  black  and 
  white  tones  reversed 
  v  :  vote  against;  refuse  to  endorse;  refuse  to  assent  [syn:  {veto}, 
  {blackball}] 




more about negative