'Terrestrial' definitions:

Definition of 'terrestrial'

(from WordNet)
adjective
Of or relating to or inhabiting the land as opposed to the sea or air [syn: tellurian, telluric, terrestrial, terrene]
adjective
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]
adjective
Operating or living or growing on land [ant: amphibious, aquatic]
adjective
Concerned with the world or worldly matters; "mundane affairs"; "he developed an immense terrestrial practicality" [syn: mundane, terrestrial]
adjective
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]

Definition of 'Terrestrial'

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

Definition of 'Terrestrial'

From: GCIDE
  • 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]

Definition of 'terrestrial'

From: GCIDE
  • 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 viewed.
  • 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 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. [1913 Webster]

Synonyms of 'terrestrial'

From: Moby Thesaurus

Words containing 'Terrestrial'