<p><strong>Noun</strong></p><ul><li>Biology, Physiology: The sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available.</li><li>Compare: anabolism, catabolism.</li><li>Any basic process of organic functioning or operating: changes in the country's economic metabolism.</li></ul><p><strong>End of Response</strong></p>