• WordNet 3.6
    • n katabolism breakdown in living organisms of more complex substances into simpler ones together with release of energy
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Webster's Revised Unabridged Dictionary
    • n Katabolism (Physiol) Destructive or downward metabolism; regressive metamorphism; same as catabolism (now the more common spelling); -- opposed to anabolism. See Disassimilation.
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Century Dictionary and Cyclopedia
    • n katabolism See catabolism.
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Chambers's Twentieth Century Dictionary
    • n Katabolism kat-ab′ol-izm (biol.) the discharging or disruptive process to which protoplasm is constantly subject—the opposite of Anabolism, the up-building, constructive process
    • Katabolism Also Catab′olism
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Webster's Revised Unabridged Dictionary
Gr. down + to throw


In literature:

Both katabolic and anabolic changes share in the depression, and though less energy is used up, still less energy is generated.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1" by Various
They permit us to associate a high specific gravity, red corpuscles, plentiful haemoglobin, and a katabolic constitution.
"Sex and Society" by William I. Thomas
Alcohol, usually formed as an excretion of the yeast plant, is also found as a mid-product of tissue katabolism.
"Alcohol: A Dangerous and Unnecessary Medicine, How and Why" by Martha M. Allen
These two classes of external forces, disruptive and constructive, are called katabolic and anabolic.
"The Truth About Woman" by C. Gasquoine Hartley
At seven years old and thence onward to fourteen, a male, and katabolic, phase sets in.
"Feminism and Sex-Extinction" by Arabella Kenealy