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5 definitions found
 for terrestrial
From The Collaborative International Dictionary of English v.0.48 :

  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.
        [1913 Webster]
     2. Representing, or consisting of, the earth; as, a
        terrestrial globe. "The dark terrestrial ball." --Addison.
        [1913 Webster]
     3. Of or pertaining to the world, or to the present state;
        sublunary; mundane.
        [1913 Webster]
              Vain labors of terrestrial wit.       --Spenser.
        [1913 Webster]
              A genius bright and base,
              Of towering talents, and terrestrial aims. --Young.
        [1913 Webster]
     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.
        [1913 Webster]
              The terrestrial parts of the globe.   --Woodward.
        [1913 Webster]
     5. Adapted for the observation of objects on land and on the
        earth; as, a terrestrial telescope, in distinction from an
        astronomical telescope.
        [1913 Webster] -- Ter*res"tri*al*ly, adv. --
        Ter*res"tri*al*ness, n.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Terrestrial \Ter*res"tri*al\, n.
     An inhabitant of the earth.
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  eyepiece \eye"piece`\ eye-piece \eye"-piece`\, n. (Opt.)
     The lens, or combination of lenses, at the eye end of a
     microscope, telescope or other optical instrument, through
     which the image formed by the mirror or object glass is
     Syn: ocular.
          [1913 Webster]
     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
     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
     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.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

      adj 1: of or relating to or inhabiting the land as opposed to
             the sea or air [syn: tellurian, telluric,
             terrestrial, 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, terrestrial]
      3: operating or living or growing on land [ant: amphibious,
      4: concerned with the world or worldly matters; "mundane
         affairs"; "he developed an immense terrestrial practicality"
         [syn: mundane, terrestrial]
      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, terrestrial]

From Moby Thesaurus II by Grady Ward, 1.0 :

  76 Moby Thesaurus words for "terrestrial":
     Cynthian, Philistine, anagalactic, asteroidal, astral, astrologic,
     astrologistic, astrologous, astronomic, astrophysical, carnal,
     carnal-minded, celestial, circumplanetary, cislunar, earth,
     earthbound, earthling, earthly, earthy, empyreal, empyrean,
     equinoctial, extragalactic, fluvioterrestrial, galactic,
     geophilous, global, heavenly, heliacal, human, intercosmic,
     interplanetary, intersidereal, interstellar, lunar, lunary, lunate,
     lunular, lunulate, material, materialistic, meteoric, meteoritic,
     mortal, mundane, nebular, nebulose, nebulous, planetal,
     planetarian, planetary, planetesimal, profane, prosaic, secular,
     semilunar, sidereal, solar, sphery, star-spangled, star-studded,
     starry, stellar, stellary, subastral, sublunar, tellurian,
     telluric, temporal, terraqueous, terrene, unspiritual, uranic,
     worldly, zodiacal

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