[f. prec. + -ITY.] Consumptive tendency; consumptiveness.

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1889.  Galton, Natural Inheritance, 181. A condition which we may call ‘consumptivity,’ for want of a better word, may exist without showing any outward sign.

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1889.  Nature, 25 April, 604. To arrange parents and children in a graduated scale of ‘consumptivity.’

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