ROOT n.
, any plant louse, or aphid, which lives on the roots of plants, as the Phylloxera of the grapevine. See Phylloxera. -- Root of an equation (Alg.), that value which, substituted for the unknown quantity in an equation, satisfies the equation. -- Root of a nail (Anat.), the part of a nail which is covered by the skin.…
ROSE n.
ats the leaves of various plants, and is often very injurious to rosebushes, apple trees, grapevines, etc. Called also rose bug, and rose chafer. (b) The European chafer. -- Rose bug. (Zoöl.) same as Rose beetle, Rose chafer. -- Rose burner, a kind of gas-burner producing a rose-shaped flame. -- Rose camphor (Chem.)…
SOUR a. 2 definitions
i, and A. digitata; also, either of the trees bearing this fruit. See Adansonia. -- Sour grapes. See under Grape. -- Sour gum (Bot.) See Turelo. -- Sour plum (Bot.), the edible acid fruit of an Australian tree (Owenia venosa); also, the tree itself, which furnished a hard reddish wood used by wheelwrights.…
SUGAR n.
See Sucrose. -- Diabetes, or Diabetic, sugar (Med. Chem.), a variety of sugar (probably grape sugar or dextrose) excreted in the urine in diabetes mellitus. -- Fruit sugar. See under Fruit, and Fructose. -- Grape sugar, a sirupy or white crystalline sugar (dextrose or glucose) found as a characteristic ingredient o…
TARTARIC a.
artar. Tartaric acid. (a) An acid widely diffused throughout the vegetable kingdom, as in grapes, mountain-ash berries, etc., and obtained from tartar as a white crystalline substance, C2H2(OH)2.(CO2H)2, having a strong pure acid taste. It is used in medicine, in dyeing, calico printing, photography, etc., and also as…