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单词 catabolism
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ca•tab•o•lism  (kə tabə liz′əm),USA pronunciation n. [Biol., Physiol.]
  1. Botany, Physiologydestructive metabolism; the breaking down in living organisms of more complex substances into simpler ones, with the release of energy (opposed to anabolism).
  • Greek katabol(é̄) a throwing down (kata- cata- + bolé̄ a throw; compare katabállein to throw down) + -ism
  • 1875–80
cat•a•bol•ic  (kat′ə bolik),USA pronunciation adj.  cat′a•boli•cal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
catabolism, katabolism /kəˈtæbəˌlɪzəm/ n
  1. a metabolic process in which complex molecules are broken down into simple ones with the release of energy; destructive metabolism
Etymology: 19th Century katabolism, from Greek katabolē a throwing down, from kataballein, from kata- down + ballein to throw

catabolic, katabolic /ˌkætəˈbɒlɪk/ adj
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