pyrogenic meaning
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- pyrogenic (comparative more pyrogenic, superlative most pyrogenic) 1  producing heat, especially in the body. 2  producing fever. ( 3 geology) of a mineral formed from a magma at high temperature.
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pyrogen endogenous pyrogen a low-molecular-weight protein that is produced by phagocytic leukocytes in response to stimulation by exogenous pyrogens and released into the circulation; it induces fever by acting on the preoptic area of the hypothalamus to raise the set-point of the hypothalamic thermostat.ndogenous pyrogen a low-molecular-weight protein that is produced by phagocytic leukocytes in response to stimulation by exogenous pyrogens and released into the circulation; it induces fever by acting on the preoptic area of the hypothalamus to raise the set-point of the hypothalamic thermostat.
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Lava Flow, Pyroclastic Flow, Pyroclastic Surge & Tephra: Preventing Volcanic Hazards A pyroclastic flow is a dense collection of fragments and gases from a volcanic eruption that flows down the slope of a volcano. You can recall this term by remembering that the prefix 'pyro' means 'fire,' and the suffix 'clastic' means 'fragments.' So a pyroclastic flow is literally the 'flow of fiery fragments.'.
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- a combining form meaning “icy cold,” “frost,” used in the formation of compound words: cryogenics. Origin of cryo-.
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- Definition of PYRIDINE. : a toxic water-soluble flammable liquid base C5H5N of pungent odor that is the parent of many naturally occurring organic compounds and is used as a solvent and as a denaturant for alcohol and in the manufacture of pharmaceuticals and waterproofing agents.ADVERTISEMENT. pyr- + -ide + 2-ine. a toxic water-soluble flammable liquid base C5H5N of pungent odor that is the parent of many naturally occurring organic compounds and is used as a solvent and as a denaturant for alcohol and in the manufacture of pharmaceuticals and waterproofing agents. ADVERTISEMENT.
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- In practice, pyrogen-free means that it has a level of pyrogens or endotoxins below a pre-defined. threshold concentration which is sometimes referred to as “non-pyrogenic.” Pyrogens are fever-. causing materials from the cell walls of Gram-negative bacteria. Few methods of sterilization. destroy pyrogens.
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- Top definition Pyroglyphic unknown A combination of the word pyromaniac (someone fascinated by fire) and heiroglyphic (ancient symbols); Symbols, pictures, or writing made by fire.
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- Best Answer: Pneumonoultramicroscopicsilicovolcanocon... is, according to the Oxford English Dictionary, a word alleged to mean 'a lung disease caused by the inhalation of volcanic ash, causing inflammation in the lungs.'.Source(s): http://en.wikipedia.org/wiki/Longest_wor...uɐɯ-ɔɐd · 6 years ago.s, according to the Oxford English Dictionary, a word alleged to mean 'a lung disease caused by the inhalation of volcanic ash, causing inflammation in the lungs.'. Source(s): http://en.wikipedia.org/wiki/Longest_wor...
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Pyroclastic flow A pyroclastic flow is a fast-moving current of hot gas and volcanic matter that moves away from a volcano reaching speeds of up to 700 km/h. The gases can reach temperatures of about 1,000 °C. Pyroclastic flows are a common and devastating result of certain explosive eruptions; they normally touch the ground and hurtle downhill, or spread laterally under gravity. Their speed depends upon the density of the current, the volcanic output rate, and the gradient of the slope.
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GHS 101: GHS Definitions A pyrotechnic substance is a substance or mixture of substances designed to produce an effect by heat, light, sound, gas or smoke or a combination of these as the result of non-detonative self-sustaining exothermic chemical reactions. An explosive article is an article containing one or more explosive substances.
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- a substance, as a thermostable bacterial toxin, that produces a rise in temperature in a human or animal. Origin of pyrogen. 1855-1860.
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Chromatography Pyrolysis–gas chromatography–mass spectrometry. From Wikipedia, the free encyclopedia. Pyrolysis–gas chromatography–mass spectrometry is a method of chemical analysis in which the sample is heated to decomposition to produce smaller molecules that are separated by gas chromatography and detected using mass spectrometry.arge molecules cleave at their weakest points and produce smaller, more volatile fragments. These fragments can be separated by gas chromatography. Pyrolysis GC chromatograms are typically complex because a wide range of different decomposition products is formed.
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pyrrhic pyrrhic. n. 1. (Poetry) a metrical foot of two short or unstressed syllables. adj. 2. (Poetry) of or relating to such a metrical foot.yrrhic-of or relating to or containing a metrical foot of two unstressed syllables; pyrrhic verses. 3. pyrrhic-of or relating to or resembling Pyrrhus or his exploits (especially his sustaining staggering losses in order to defeat the Romans); a Pyrrhic victory. Translations.
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Lahar pyroclastic flow. in a volcanic eruption, a fluidized mixture of hot rock fragments, hot gases, and entrapped air that moves at high speed in thick, gray-to-black, turbulent clouds that hug the ground. The temperature of the volcanic gases can reach about 600 to 700 °C (1,100 to 1,300 °F).
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- Medical Definition of CRYOGENIC. 1. a: of or relating to the production of very low temperatures b: being or relating to very low temperatures.2.— cryo·gen·i·cal·ly \-i-k(ə-)lē\ adverb.edical Definition of CRYOGENIC. 1. a: of or relating to the production of very low temperatures b: being or relating to very low temperatures. 2. — cryo·gen·i·cal·ly \-i-k(ə-)lē\ adverb.
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What Is Pyrexia? - Definition, Causes & Symptoms Pyrexia is a rise in the body's core temperature, otherwise known as a fever. It is a mechanism developed by the immune system to reduce the severity of illness by preventing bacteria and viruses from multiplying. This activation of the immune system has worked for centuries before medicine was invented.
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- Pyrokinesis. 86 pages on this wiki. Pyrokinesis or Fire Manipulation, derived from the Greek words πυρ (pur, pûr meaning, fire) lightning and (κίνησις, kinesis kínesis), meaning motion is the ability to create and. Control fire people with this superpower usually fight by throwing fireballs and creating rings. of fireyrokinesis. 86 pages on this wiki. Pyrokinesis or Fire Manipulation, derived from the Greek words πυρ (pur, pûr meaning, fire) lightning and (κίνησις, kinesis kínesis), meaning motion is the ability to create and. control fire
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pyro- pyro-. 1. Combining form denoting fire, heat, or fever. See also: pyreto-. 2. chemistry Combining form denoting derivatives formed by removal of water (usually by heat) to form anhydrides.yro-, prefix meaning fire or heat, or produced by heating: pyrocatechin, pyrodextrin, pyromania.
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Pyroclastic Flow A pyroclastic flow is a sudden, quick, and very hot movement of gases, dust, ash and/or rock mixtures due to volcanic eruptions that move across the ground at high speeds. Tweet. About The Author Matt Slick is the President and Founder of the Christian Apologetics and Research Ministry.
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- Pyrolysis is a thermochemical decomposition of organic material at elevated temperatures in the absence of oxygen (or any halogen). It involves the simultaneous change of chemical composition and physical phase, and is irreversible.The word is coined from the Greek-derived elements pyro fire and lysis separating.lthough synthetic diesel fuel cannot yet be produced directly by pyrolysis of organic materials, there is a way to produce similar liquid (bio-oil) that can be used as a fuel, after the removal of valuable bio-chemicals that can be used as food additives or pharmaceuticals.
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- pyrogenet′ic, Pyrog′enous, producing fire: produced by fire; pyrogen′ic, producing fever. Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) Various British Dictionary definitions for pyrogen Expand
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Definitions &Translations An extreme fire behavior phenomena involving ignition of products of combustion (such as carbon monoxide) and pyrolysis products upon introduction of oxygen to a compartment. In this phenomena the fuel generally is at a high temperature (above 600 degrees C), but combustion is limited by a lack of oxygen.
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- A pyroclastic flow (also known scientifically as a pyroclastic density current[1]) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra), which reaches speeds moving away from a volcano of up to 700 km/h (450 mph).[2] The gases can reach temperatures of about 1,000 °C (1,830 °F).
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- Pyrokinesis is the ability to control, ignite and extinguish fire, using the powers of one's mind. This is dangerous.One should be adept and very experienced in handling and directing energy, as inexperience can cause dangerous burns to yourself, even though you may have a powerful aura.yrokinesis is the ability to control, ignite and extinguish fire, using the powers of one's mind. This is dangerous.
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- A pyre (Ancient Greek: πυρά; pyrá, from πῦρ, pyr, fire), also known as a funeral pyre, is a structure, usually made of wood, for burning a body as part of a funeral rite or execution. As a form of cremation, a body is placed upon or under the pyre, which is then set on fire.
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- E xogenic forces. Exogenic (also known as exogenetic) refers to external processes and phenomena that occur on or above the Earth 's surface. Comet and meteoroid impacts, the tidal force of the Moon and radiation from the Sun are all exogenic. Weathering effects and erosion are also exogenic processes.