ppl. a. (UN-1 8.)
1727. Vin. Britan., 42. The gross and unattenuated Parts of the Liquor.
1826. Art of Brewing (ed. 2), 31. Keeping a quantity of this fermentable matter unattenuated.
c. 1900. Buck’s Handbk. Med. Sci., VI. 833 (Cent. Suppl.). Rabbits inoculated with unattenuated rabies virus.
