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.)…