(n.) The science which treats: (a) Of the structure and mineral constitution of the globe; structural geology. (b) Of its history as regards rocks, minerals, rivers, valleys, mountains, climates, life, etc.; historical geology. (c) Of the causes and methods by which its structure, features, changes, and conditions have been produced; dynamical geology. See Chart of The Geological Series.
(n.) A treatise on the science.
Example Sentences:
(1) Photograph: Alamy The Devils Postpile, near Mammoth Lakes on the east side of Yosemite, looks as if it might have been created by some satanic sculptor, but really it's just one of the world's best examples of columnar basalt, a similar geological feature to the Giants Causeway in Northern Ireland.
(2) The US Geological Survey estimated the waters in the Arctic contain about 90bn barrels of recoverable oil.
(3) The US Geological Survey said it was the biggest earthquake to hit Japan since officials began keeping records in the late 1800s and one of the biggest recorded in the world.
(4) "Autumn colours are very patchy and depend on regional variation in climate and differences in geology.
(5) A tentative analysis of the data with regard to the geological situation is presented.
(6) In December the US Geological Survey also warned that sea-level rise could be even worse than feared, as much as 1.5 metres by the end of this century, partly due to increased melting of the volume of water stored in glaciers in Antarctica and Greenland.
(7) The possible association between the geological nature of the soil, as related to radioactivity, and lung cancer occurrence has been explored in an Italian province.
(8) The authors relate the tentative measurement data on radon-222 concentrations in different buildings situated in the Ukrainian bedrock geological region.
(9) Europe is geologically resource poor [so] there is a lot of scope to try to move towards an economic development [model] that would be decoupled from the consumption of resources and move more towards the reuse of the resources we already have”, he says.
(10) A total of 435 United States Geological Survey and United States Forest Service workers in Alaska were studied for serologic evidence of past infections with four arboviruses known or suspected to be human pathogens.
(11) This is a big deal.” geology graphic He said that the scale and rate of change on measures such as CO2 and methane concentrations in the atmosphere were much larger and faster than the changes that defined the start of the holocene.
(12) The determination of platinum in geological samples by this method has been compared with an inductively coupled plasma mass spectrometric method.
(13) There are 4,000 SSSIs, described by government officials as the “best of our wildlife, geological and physiographical heritage” in England.
(14) ID7720613 Restaurante da Praia, Praia da Arrifana, Algarve Stewed octopus with sweet potato is the speciality at this restaurant, which sits alone at the bottom of the steep access road that winds down to one of Portugal’s most beautiful and geologically interesting beaches.
(15) The northerly region has become a new frontier for exploration since global warming caused ice to melt, oil escalated in value to its current $114 a barrel and the US Geological Survey concluded that almost a quarter of the world's undiscovered oil and gas reserves may lie in the Arctic.
(16) The National Geological Survey recorded a seismic event of 2.1 magnitude.
(17) When I ask him how his background in geology is being used here, he tells me of his fieldwork at the Grand Canyon.
(18) Prof Hugh Sinclair, a specialist in surface geology and one of 59 Productions’ advisers, said he felt frustrated that there was no statue to Hutton anywhere in Edinburgh, despite the huge significance of his work.
(19) These revisions suggest sea-level rises could easily top a metre by 2100 - a figure that is backed by the US Geological Survey, which this year warned that they could reach as much as 1.5 metres.
(20) Many of the contemporary correlations between geological factors and human behavior are also apparent within historical data.
Macula
Definition:
(n.) A spot, as on the skin, or on the surface of the sun or of some other luminous orb.
(n.) A rather large spot or blotch of color.
Example Sentences:
(1) (1) Microdissection of an isolated afferent artery with or without macula densa (MD) has revealed that renin release is regulated by NaCl exposure to MD.
(2) The entire macula utricili had disappeared in 10-week specimens.
(3) The auditory function of the sacculus in amphibians is confirmed and special attention is paid to functional heterogeneity of the receptor epithelium in the saccular maculae.
(4) Resorption of soft drusen at the macula in response to laser photocoagulation has been demonstrated previously.
(5) Careful studies have failed to reveal any cause for this excessive permeability response at the macula or any constantly associated medical abnormality.
(6) Morphometric analyses of the macula densa in streptozotocin diabetic rats have revealed, that the volume density of the large lateral intercellular spaces, which are present in normal animals between the macula densa cells, decreases significantly in magnitude from 8.7 to 1.5% in diabetic animals.
(7) Based on experience from 30 patients the usefulness of high resolution B-scan echography and colour Doppler flow imaging for evaluating lesions of the macula is discussed.
(8) Ophthalmoscopic examination disclosed a single, white, elevated mass lesion surrounded by serous retinal detachment located in the upper part of the macula of the right eye.
(9) One hundred thirty-four consecutive eyes with rhegmatogenous retinal detachment involving the macula were evaluated with reference to the effectiveness of systemic steroids in preventing choroidal detachment after scleral buckling surgery and in facilitating both anatomic and functional success.
(10) A directed flow of calcium to developing otoconia from the supporting cells of the maculae is suggested.
(11) We studied sectioned maculae that were obtained from 41 patients with different genetic forms of RP: autosomal dominant (n = 11); X-linked (n = 9); and simplex (n = 21).
(12) Apart from the typical reticular pattern in the macula there were atrophic areas that could have resulted from progression of the dystrophy.
(13) The subjective signs of the syndrome are floating 'moths', photopsias presenting as a 'lateral lightning', sudden appearance of a central macula (central positive scotoma).
(14) Patients with macular lesions and central scotomata had larger amplitudes than patients with normal appearing maculae and no central scotomata.
(15) Examination showed bilateral serous detachment of the macula.
(16) Each hair cell is additionally polarized (III), in that its kinociliary group is inclined toward the plane of the macula surface, forming an angle of 40-60 degrees with it (Figs.
(17) These results demonstrate that the macula densa basement membrane and matrix material between extraglomerular mesangial cells is permeable to high molecular weight molecules and suggest unhindered diffusion of water and solutes within this area.
(18) An in vitro preparation of the saccular nerve, maintained in parallel, served to indicate the potential neural contribution to overall release from the macula.
(19) The cells are bound by maculae adherentes, zonulae occludentes and desmosome-like structures.
(20) In the distal tubule a macula densa segment was found in all nephrons of the reptilian and mammalian type.