Based on the Random House Dictionary, © Random House, Inc. 2012.
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| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
respiration
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respiration res·pi·ra·tion (rěs'pə-rā'shən)
n.
Abbr. R
The act or process of inhaling and exhaling; breathing. Also called 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.
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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respiration  (rěs'pə-rā'shən) Pronunciation Key
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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respiration definition
The conversion of oxygen by living things into the energy by which they continue life. Respiration is part of metabolism.
Note: Carbon dioxide is a waste product of respiration.
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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