PERIDOT
Per"i*dot, n. Etym: [F. péridot.] (Min.)
Defn: Chrysolite.
PERIDOTITE
Per"i*do*tite, n. Etym: [Cf. F. péridotite.] (Min.)
Defn: An eruptive rock characterized by the presence of chrysolite (peridot). It also usually contains pyroxene, enstatite, chromite, etc. It is often altered to serpentine.
Note: The chief diamond deposits in South Africa occur in a more or less altered peridotite.
PERIDROME
Per"i*drome, n. Etym: [Gr. péridrome.] (Archæol.)
Defn: The space between the columns and the wall of the cella, in a
Greek or a Roman temple.
PERIECIANS
Per`i*e"cians, n. pl.
Defn: See Perioecians.
PERIENTERON
Per`i*en"te*ron, n. Etym: [NL. See Peri-, and Enteron.] (Anat.)