Terrestrial
51terrestrial telescope — noun a) A telescope which, unlike most telescopes used for astronomical purposes, contains an arrangement of lenses presenting an erect (non inverted) image to the observer, suitable for observation of objects on the Earths surface. Fort Hancock …
52Terrestrial Digital Multimedia Broadcasting — La T DMB (Terrestrial Digital Multimedia Broadcasting, « Diffusion Multimédia Numérique Terrestre ») est un système de diffusion numérique terrestre basé sur le Digital Audio Broadcasting (DAB) développé et standardisé par le projet… …
53terrestrial dynamical time — noun (astronomy) a measure of time defined by Earth s orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth s motions • Syn: ↑terrestrial time, ↑TT, ↑TDT, ↑ephemeris time • Topics: ↑astronomy, ↑ …
54terrestrial planet — noun a planet having a compact rocky surface like the Earth s; the four innermost planets in the solar system • Hypernyms: ↑planet, ↑major planet • Instance Hyponyms: ↑Earth, ↑earth, ↑world, ↑globe, ↑Mars …
55terrestrial time — noun (astronomy) a measure of time defined by Earth s orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth s motions • Syn: ↑TT, ↑terrestrial dynamical time, ↑TDT, ↑ephemeris time • Topics: ↑astronomy …
56Terrestrial magnetism — Magnetism Mag net*ism, n. [Cf. F. magn[ e]tisme.] The property, quality, or state, of being magnetic; the manifestation of the force in nature which is seen in a magnet. At one time it was believed to be separate from the electrical force, but it …
57Terrestrial poles — Pole Pole, n. [L. polus, Gr. ? a pivot or hinge on which anything turns, an axis, a pole; akin to ? to move: cf. F. p[^o]le.] 1. Either extremity of an axis of a sphere; especially, one of the extremities of the earth s axis; as, the north pole.… …
58Terrestrial refraction — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… …
59Terrestrial telescope — Telescope Tel e*scope, n. [Gr. ? viewing afar, farseeing; ? far, far off + ? a watcher, akin to ? to view: cf. F. t[ e]lescope. See {Telegraph}, and { scope}.] An optical instrument used in viewing distant objects, as the heavenly bodies. [1913… …
60Terrestrial Trunked Radio — TETRA redirects here. For other uses, see Tetra (disambiguation) TErrestrial Trunked RAdio [ETSI EN 300 392 2 v3.2.1] (TETRA) (formerly known as Trans European Trunked RAdio ) is a specialist Professional Mobile Radio [http://www.tetra… …