1. (Mining) The zone, parallel to the walls of a vein, in which the ore is concentrated, or any narrow streak of paying ore in less valuable material.

2. (Oil Boring) A stratum of oil sand thick enough to make a well pay.

PAYTINE
Pay"tine, n. (Chem.)

Defn: An alkaloid obtained from a white bark resembling that of the cinchona, first brought from Payta, in Peru.

PEA
Pea, n. Etym: [OF. peis. See Poise.]

Defn: The sliding weight on a steelyard. [Written also pee.]

PEA
Pea, n. (Naut.)

Defn: See Peak, n., 3.

PEA
Pea, n.; pl. Peas or Pease. Etym: [OE. pese, fr. AS. pisa, or OF.
peis, F. pois; both fr. L. pisum; cf. Gr. s was misunderstood in
English as a plural ending. Cf. Pease.]

1. (Bot.)