(n.) The globe or planet which we inhabit; the world, in distinction from the sun, moon, or stars. Also, this world as the dwelling place of mortals, in distinction from the dwelling place of spirits.
(n.) The solid materials which make up the globe, in distinction from the air or water; the dry land.
(n.) The softer inorganic matter composing part of the surface of the globe, in distinction from the firm rock; soil of all kinds, including gravel, clay, loam, and the like; sometimes, soil favorable to the growth of plants; the visible surface of the globe; the ground; as, loose earth; rich earth.
(n.) A part of this globe; a region; a country; land.
(n.) Worldly things, as opposed to spiritual things; the pursuits, interests, and allurements of this life.
(n.) The people on the globe.
(n.) Any earthy-looking metallic oxide, as alumina, glucina, zirconia, yttria, and thoria.
(n.) A similar oxide, having a slight alkaline reaction, as lime, magnesia, strontia, baryta.
(n.) A hole in the ground, where an animal hides himself; as, the earth of a fox.
(v. t.) To hide, or cause to hide, in the earth; to chase into a burrow or den.
(v. t.) To cover with earth or mold; to inter; to bury; -- sometimes with up.
(v. i.) To burrow.
(n.) A plowing.
Example Sentences:
(1) The suits ensures the conditions for the function of the musculoskeletal apparatus and the cardiovascular system which are close to those on the Earth.
(2) One of the most interesting aspects of the shadow cabinet elections, not always readily interpreted because of the bizarre process of alliances of convenience, is whether his colleagues are ready to forgive and forget his long years as Brown's representative on earth.
(4) Two years ago, the Intergovernmental Panel on Climate Change declared Egypt's Nile Delta to be among the top three areas on the planet most vulnerable to a rise in sea levels, and even the most optimistic predictions of global temperature increase will still displace millions of Egyptians from one of the most densely populated regions on earth.
(5) The EMD was miniaturized by using rare earth magnets in the construction of both external transmitter and internal receiver.
(6) This is especially the case when it is confronted with regimes such as those of Bashar al-Assad and Vladimir Putin that feel no compunction over a scorched-earth response to insurgency and do so with calculation.
(7) These can lead to communications blackouts around the Earth and produce aurorae; indeed, there have been several nice displays over recent weeks.
(8) Its first two features, Earth and Oceans , together took nearly $200m worldwide.
(9) How on earth do you follow a 5-1 victory over Spain ?
(10) The Rio+ 20 Earth summit could collapse after countries failed to agree on acceptable language just two weeks before 120 world leaders arrive at the biggest UN summit ever organised, WWF warned on Wednesday.
(11) The goal of the expedition, led by Prof Ken Takai of the Japan Agency for Marine-Earth Science and Technology, was to study the limits of life at deep-sea vents in the Cayman Trough as part of a round-the-world voyage of discovery by the research ship RV Yokosuka .
(12) Alternatively, they were provided with a small foveal target, either fixed with respect to earth (earth-fixed target: EFT condition), or moving with them (chair-fixed-target: CFT condition).
(13) For a start, why on earth was Platini being paid in February 2011 for work he did at Fifa, as Blatter’s special advisor, which finished nine years earlier?
(14) Dr Michael P. Taylor is a computer programmer with Index Data and a research associate at the department of earth sciences, University of Bristol
(15) "Astronauts have said that you step off the Earth and look back and you see things differently.
(16) It may have been like punk never ‘appened, but you caught a whiff of the movement’s scorched earth puritanism in the mocking disdain with which Smash Hits addressed rock-star hedonism.
(17) Yasuni is among the most biodiverse regions on Earth, with each hectare containing more tree species than the US and Canada combined.
(18) In front of his family, friends and close colleagues stood the man who founded Apple, was fired from Apple and came back to lead Apple to a greatness, reach and influence that no one on earth imagined.
(19) It's not Greenpeace , it's not Friends of the Earth , it's not, for the most part, the Sierra Club .
(20) Two dogs, Dezik and Tsygan, survived a sub-orbital flight after their capsule parachuted them back to earth.
Ozone
Definition:
(n.) A colorless gaseous substance (O/) obtained (as by the silent discharge of electricity in oxygen) as an allotropic form of oxygen, containing three atoms in the molecule. It is a streng oxidizer, and probably exists in the air, though by he ordinary tests it is liable to be confused with certain other substances, as hydrogen dioxide, or certain oxides of nitrogen. It derives its name from its peculiar odor, which resembles that of weak chlorine.
Example Sentences:
(1) We studied the effect of a 2-hour exposure to 0.6 ppm of ozone on bronchial reactivity in 8 healthy, nonsmoking subjects by measuring the increase in airway resistance (Raw) produced by inhalation of histamine diphosphate aerosol (1.6 per cent, 10 breaths).
(2) Carbon monoxide accelerates the reaction as measured by nitric oxide oxidation or ozone formation.
(3) It is suggested that the atmosphere of Athens favours the formation of secondary direct-acting mutagens due to the oxidation and nitration of PAH by ozone and nitrogen oxides, which are more abundant in the late spring months.
(4) Therefore, more research of the effects of ozone on birds seems to be necessary, both from a mechanistic and an ecological point of view.
(5) Using this assay, we studied the effects of exposure to ozone (O3), hexachlorobenzene (HCB), and bis(tri-n-butyltin)oxide (TBTO) on NK activity in rat lung.
(6) The campaign’s focus was the damage to the ozone layer caused by fluorinated gases, such as HFCs.
(7) Particular attention was given to both the qualitative and quantitative evaluation of ciliated cells in the nasal respiratory epithelium in response to ozone exposure.
(8) Results indicate also that ozone sensitivity, radiosensitivity, and mucoidy are pleiotropic properties of the lon gene.
(9) Endothelial prostacyclin synthesis returned to baseline levels by 12H after ozone exposure, a time point which was similar to the recovery time of unexposed endothelium treated with 0.5 uM acetylsalicylic acid.
(10) After ozone-exposed mice had been returned to ambient air for 10 days, ciliary regeneration occurred and, the major airways had a surface appearance approaching the normal state.
(11) Pulmonary fibrosis is a consequence of severe injury from some toxic agents including high doses of ozone.
(12) In the first experiment, rats were fed fat-free diets and exposed to ozone for 0, 1, 2, and 4 weeks.
(13) A mathematical model of ozone absorption, or for any soluble gas that has similar transport properties, is developed for a branching network of liquid-lined cylinders.
(14) Serial exposures to peak levels of ozone on several consecutive days are more characteristic of pollution episodes in the Northeast United States and may be associated with recurrent symptoms.
(15) The enhancement of metastasis due to ozone exposure varied with length of exposure and concentration of ozone.
(16) The present data indicate that the incidence of skin cancer would increase by approximately 2% for each percent ozone reduction.
(17) And yet, trusting the science, and with international leadership, an agreement – the Montreal Protocol – was signed within two years of the discovery of a hole in the ozone layer in the southern polar region.
(18) Ozonized water placed in an open dish kept up antimicrobial activity for the first 20 minutes, but after 30 minutes this activity decreased substantially.
(19) However, single, 40-min exposures of RTE cells to approximately 10 ppm ozone did result in approximately 40% decreases in colony-forming efficiency.
(20) The present studies were undertaken to examine the effects of exposing asthmatics to ozone concentrations that occur in the environment.