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terrestrialmore about terrestrial

terrestrial


  4  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Terrestrial  \Ter*res"tri*al\,  n. 
  An  inhabitant  of  the  earth. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Terrestrial  \Ter*res"tri*al\,  a.  [L.  terrestris,  from  terra  the 
  earth.  See  {Terrace}.] 
  1.  Of  or  pertaining  to  the  earth;  existing  on  the  earth; 
  earthly;  as  terrestrial  animals.  ``Bodies  terrestrial.'' 
  --1  Cor.  xv  40. 
 
  2.  Representing,  or  consisting  of  the  earth;  as  a 
  terrestrial  globe.  ``The  dark  terrestrial  ball.'' 
  --Addison. 
 
  3.  Of  or  pertaining  to  the  world,  or  to  the  present  state; 
  sublunary;  mundane. 
 
  Vain  labors  of  terrestrial  wit.  --Spenser. 
 
  A  genius  bright  and  base,  Of  towering  talents,  and 
  terrestrial  aims.  --Young. 
 
  4.  Consisting  of  land,  in  distinction  from  water;  belonging 
  to  or  inhabiting,  the  land  or  ground,  in  distinction  from 
  trees,  water,  or  the  like  as  terrestrial  serpents. 
 
  The  terrestrial  parts  of  the  globe.  --Woodward. 
 
  5.  Adapted  for  the  observation  of  objects  on  land  and  on  the 
  earth;  as  a  terrestrial  telescope,  in  distinction  from  an 
  astronomical  telescope.  --  {Ter*res"tri*al*ly},  adv  -- 
  {Ter*res"tri*al*ness},  n. 
 
  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]: 
 
  terrestrial 
  adj  1:  of  or  relating  to  or  inhabiting  the  land  as  opposed  to  the 
  sea  or  air  [syn:  {tellurian},  {telluric},  {terrene}] 
  2:  of  or  relating  to  or  characteristic  of  the  planet  Earth  or 
  its  inhabitants;  "planetary  rumblings  and  eructations"- 
  L.C.Eiseley  ;  "the  planetary  tilt";  "this  terrestrial 
  ball"  [syn:  {planetary}] 
  3:  operating  or  living  or  growing  on  land  [syn:  {land(a)}] 
  [ant:  {amphibious},  {aquatic}] 
  4:  concerned  with  the  world  or  worldly  matters;  "mundane 
  affairs";  "he  developed  an  immense  terrestrial 
  practicality"  [syn:  {mundane}] 
  5:  of  this  earth;  "transcendental  motives  for  sublunary 
  actions";  "fleeting  sublunary  pleasures";  "the  nearest  to 
  an  angelic  being  that  treads  this  terrestrial  ball"  [syn: 
  {sublunar},  {sublunary}] 




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