单词 | respiration |
释义 | respiration[ res-puh-rey-shuhn ] / ˌrɛs pəˈreɪ ʃən / SEE SYNONYMS FOR respiration ON THESAURUS.COM nounthe act of respiring; inhalation and exhalation of air; breathing. Biology.
Origin of respiration1400–50; late Middle English respiracioun<Latin respīrātiōn- (stem of respīrātiō) a breathing out, equivalent to respīrāt(us) (past participle of respīrāre to respire) + -iōn--ion OTHER WORDS FROM respirationres·pi·ra·tion·al, adjectivepre·res·pi·ra·tion, nounWords nearby respirationrespectively, respell, Res. Phys., Respighi, respirable, respiration, respiration rate, respirator, respiratory, respiratory acidosis, respiratory alkalosis Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for respirationBritish Dictionary definitions for respirationrespiration / (ˌrɛspəˈreɪʃən) / nounthe process in living organisms of taking in oxygen from the surroundings and giving out carbon dioxide (external respiration). In terrestrial animals this is effected by breathing air the chemical breakdown of complex organic substances, such as carbohydrates and fats, that takes place in the cells and tissues of animals and plants, during which energy is released and carbon dioxide produced (internal respiration) Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for respirationrespiration The conversion of oxygen by living things into the energy by which they continue life. Respiration is part of metabolism. notes for respirationCarbon dioxide is a waste product of respiration. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for respirationrespiration [ rĕs′pə-rā′shən ] n.The act or process of inhaling and exhaling; breathing.ventilation The act or process by which an organism without lungs, such as a fish or plant, exchanges gases with its environment. The oxidative process occurring within living cells by which the chemical energy of organic molecules is released in a series of metabolic steps involving the consumption of oxygen and the liberation of carbon dioxide and water. Any of various analogous metabolic processes by which organisms, such as fungi, obtain energy from organic molecules. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for respirationrespiration [ rĕs′pə-rā′shən ] The process by which organisms exchange gases, especially oxygen and carbon dioxide, with the environment. In air-breathing vertebrates, respiration takes place in the lungs. In fish and many invertebrates, respiration takes place through the gills. Respiration in green plants occurs during photosynthesis. See cellular respiration. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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