Phys. [L. luxus excess.] A normal excess of proteid material supposed to exist in the blood. Only attrib. (see quots.).

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1873.  Ralfe, Phys. Chem., 78. The excess of the nitrogenous food taken into the system, but not employed, being at once oxidized and converted into urea: this view of its formation is known as the ‘luxus consumption theory.’

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1898.  Allbutt’s Syst. Med., V. 911. Persistent high pressure due to luxus-consumption.

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