PHOSPHORIC a.
hem.) (a) Metaphosphoric acid in the form of glassy semitransparent masses or sticks. (b) Pure normal phosphoric acid. -- Phosphoric acid (Chem.), a white crystalline substance, H3PO4, which is the most highly oxidized acid of phosphorus, and forms an important and extensive series of compounds, viz., the phosphates.…
PLATONIC; PLATONICAL a.
Pure, passionless; nonsexual; philosophical. Platonic bodies, the five regular geometrical solids; namely, the tetrahedron, hexahedron or cube, octahedron, dodecahedron, and icosahedron. -- Platonic love, a pure, spiritual affection, subsisting between persons of opposite sex, unmixed with carnal desires, and regardin…
POLAR a.
etc. -- Polar hare (Zoöl.), a large hare of Arctic America (Lepus arcticus), which turns pure white in winter. It is probably a variety of the common European hare (L. timidus). -- Polar lights, the aurora borealis or australis. -- Polar, or Polaric, opposition or contrast (Logic), an opposition or contrast made by…
PORCELAIN n.
now also in Europe and America; -- called also China, or China ware. Porcelain, by being pure, is apt to break. Dryden. Ivory porcelain, porcelain with a surface like ivory, produced by depolishing. See Depolishing. -- Porcelain clay. See under Clay. -- Porcelain crab (Zoöl.), any crab of the genus Porcellana and al…