EXUDATION n.
The act of exuding; sweating; a discharge of humors, moisture, juice, or gum, as through pores or incisions; also, the substance exuded. Resins, a class of proximate principles, existing in almost all plants and appearing on the external surface of many of them in the form of exudations. Am. Cyc.
FERMENT n.
ction they are catalytic and, mainly, hydrolytic. Good examples are pepsin of the dastric juice, ptyalin of the salvia, and disease of malt. globular proteins, capable of catalyzing a wide variety of chemical reactions, not merely hydrolytic. The full set of enzymes causing production of ethyl alcohol from sugar has be…
FLY n.
k, Cheese, etc. -- Fly agaric (Bot.), a mushroom (Agaricus muscarius), having a narcotic juice which, in sufficient quantities, is poisonous. -- Fly block (Naut.), a pulley whose position shifts to suit the working of the tackle with which it is connected; -- used in the hoisting tackle of yards. -- Fly board (Print…
GAMBOGE n.
A concrete juice, or gum resin, produced by several species of trees in Siam, Ceylon, and Malabar. It is brought in masses, or cylindrical rolls, from Cambodia, or Cambogia, -- whence its name. The best kind is of a dense, compact texture, and of a beatiful reddish yellow. Taking internally, it is a strong and harsh ca…
GREEN a.
Not seasoned; not dry; containing its natural juices; as, green wood, timber, etc. Shak. Green brier (Bot.), a thorny climbing shrub (Emilaz rotundifolia) having a yellowish green stem and thick leaves, with small clusters of flowers, common in the United States; -- called also cat brier. -- Green con (Zoöl.), the pol…
GUTTA-PERCHA n.
A concrete juice produced by various trees found in the Malayan archipelago, especially by the Isonandra, or Dichopsis, Gutta. It becomes soft, and unpressible at the tamperature of boiling water, and, on cooling, retains its new shape. It dissolves in oils and ethers, but not in water. In many of its properties it res…