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单词 metabolizable
释义

metabolizableadj.

Brit. /mᵻˈtabəlʌɪzəbl/, /mɛˈtabəlʌɪzəbl/, U.S. /məˈtæbəˌlaɪzəb(ə)l/
Forms: see metabolize v. and -able suffix.
Origin: Formed within English, by derivation. Etymons: metabolize v., -able suffix.
Etymology: < metabolize v. + -able suffix.
Biology and Biochemistry.
1. Of energy provided by a food source: that can be made available by metabolic processes after digestion and absorption.
ΘΚΠ
the world > life > biology > biological processes > metabolism > [adjective]
metabolic1841
metamorphic1853
metabolical1880
metabolizable1905
1905 Bull. Bureau Animal Industry, U.S. Dept. Agric. No. 74. 7 The metabolizable, available and utilizable energy of the hay.
1961 Ann. Rev. Physiol. 23 17 The metabolizable energy supplied by a feed.
1989 Jrnl. Zool. 219 36 The estimated daily intake during the late wet season of both available protein and metabolizable energy would be reduced by about one-quarter.
2000 Jrnl. Animal Sci. 78 7 Our objective was to evaluate differences in lactation traits and calf weights produced by F1 cows under varying daily metabolizable energy availability.
2. That can be metabolized.
ΚΠ
1922 Proc. Royal Soc. B. 94 46 We can..find how this metabolism is related to the amount of metabolisable substance in the organism.
1957 G. E. Hutchinson Treat. Limnol. I. ix. 617 Metabolizable material derived from the mud.
1978 Nature 17 Aug. 722/1 It is unlikely that these compounds present a rapidly metabolisable substrate to 5′-nucleotidase.
2000 Plant Physiol. 122 357 Toxicity of Pro can be ameliorated by salt stress and exogenously supplied metabolizable carbohydrates.

Derivatives

meˌtabolizaˈbility n. the ability to be metabolized, or to be made available by metabolic processes.
ΘΚΠ
the world > life > biology > biological processes > metabolism > [noun] > quality of
metabolizability1929
1929 H. H. Mitchell & T. S. Hamilton Biochem. Amino Acids vii. 360 The experiments..demonstrate the ready metabolizability of histidine, as compared..with..imidazole lactic acid.
1949 Jrnl. Agric. Res. 78 487 The digestibility and metabolizability of two rations by sheep are reported.
1995 Brit. Poultry Sci. 36 265 The inclusion of both supplements to the diet did not have a fully additive effect on growth, energy metabolisability, or fat and nitrogen utilisation.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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adj.1905
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