Crossword clues for terrestrial
Longman Dictionary of Contemporary English
The Collaborative International Dictionary
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.
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.
Douglas Harper's Etymology Dictionary
late 14c., "of or pertaining to the earth," with + -al (1) + from Latin terrestris "earthly, of the earth, on land," from terra "earth" (see terrain). Originally opposed to celestial; natural history sense of "living on land" is attested from 1630s. The noun meaning "a human being, a mortal" is recorded from 1590s.
Wiktionary
a. Of, relating to, or inhabiting the land of the Earth or its inhabitants. n. 1 (context botany English) A ground plant. 2 (alternative case form of Terrestrial English)
WordNet
adj. of or relating to or inhabiting the land as opposed to the sea or air [syn: tellurian, telluric, terrene]
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]
operating or living or growing on land [syn: land(a)] [ant: amphibious, aquatic]
concerned with the world or worldly matters; "mundane affairs"; "he developed an immense terrestrial practicality" [syn: mundane]
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]
Wikipedia
Terrestrial refers to things related to land or the planet Earth.
Terrestrial may also refer to:
-
Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to arboreal life (in trees)
- A fishing fly that simulates the appearance of a land insect is referred to as a terrestrial fly.
- Terrestrial locomotion, evolutionary adaptation from aquatic types of locomotion
- Terrestrial plant, a plant that grows on land rather than in water or on rocks or trees
- Terrestrial planet, a planet that is primarily composed of silicate rocks, and thus "Earth-like"
- Terrestrial ecoregion, land ecoregions, as distinct from freshwater ecoregions and marine ecoregions
- Terrestrial radio, radio signals received through a conventional aerial, as opposed to satellite radio
- Terrestrial radiation, due to the insolation of heat by the earth surface, earth re-radiates the heat to the atmosphere in the form of long waves
- Terrestrial television, television signals received through a conventional aerial, as opposed to satellite television or cable television
- Terrestrial Trunked Radio, a specialist walkie talkie standard used by police departments, fire departments, ambulance services and the military
Usage examples of "terrestrial".
This brief abstract applies to plants alone: some strictly analogous facts could be given on the distribution of terrestrial animals.
Each centre was being equipped as a space port and education unit, in which terrestrials would learn to understand the antiphonal complexities of Galingua and to behave as citizens of a well-populated galaxy.
Wu more or less admitted that the Chi is similar to terrestrial bacteria, it is odd that a mammalian paramyxovirus rather than a bacteriophage was chosen, but Mariella dismisses it as a minor mystery, is more concerned with proving her hypothesis that, after infection, the Chi altered the virus.
Humans, large terrestrial metazoans, fired by energy from microbial symbionts lodged in their cells, instructed by tapes of nucleic acid stretching back to the earliest live membranes, informed by neurons essentially the same as all the other neurons on earth, sharing structures with mastodons and lichens, living off the sun, are now in charge, running the place, for better or worse.
Hence we have only to suppose that such wandering species have been modified through natural selection in their new homes in relation to their new position, and we can understand the presence of endemic bats on islands, with the absence of all terrestrial mammals.
Lawyer Paravant had received out of transcendency a sounding slap on the cheek, and had countered with scientific alacrity, yes, had even eagerly turned the other cheek, heedless of his quality as gentleman, jurist, and one-time member of a duelling corps, all of which would have constrained him to quite a different line of conduct had the blow been of terrestrial origin.
Iraq, my peripateticism there has been limited to its terrestrial surfaces.
The photophores are between the skin and the mantle muscle in terrestrial squid.
The Chinese took Martian genes and added them to terrestrial species of phytoplankton, that much seems certain.
He got back to the assembly of the early terrestrial protocells without any problems, but then the database began skipping all over the place.
And it had been young, brilliant, vociferous Rex Quant of Gyges who pointed out that, like the Franks who finished up talking a descendant of Latin, like Crusaders seduced away from their religious fervour by the superior civilization of the Saracens, terrestrial man might be at the mercy of influences he could not define.
Seat, that this sublunary rainbow, this terrestrial glory, was spread in its most vivid hues beneath his feet.
After some weeks I received a note from Cass, telling me that he was trying to write his book, but that the terrestrial flames were constantly attempting to convert him to their theistic religion.
I received a note from Cass, telling me that he was trying to write his book, but that the terrestrial flames were constantly attempting to convert him to their theistic religion.
They said Rinpoche-La was the last truly unspoiled place on earth, a sort of terrestrial Nirvana where the inhabitants were free from the daily burden of human existence.