périmer, v.n., (jur.) to be barred by limitation, to pass out of date; to lapse, to drop.

périmètre, n.m., (geom.) perimeter.

périnéal, -e, adj., perinæal.

périnée, n.m., (anat.) perinæum.

période, n.f., stage, period (revolution); (med.) period; (astron.) period; (chron.) period; (gram.) period, sentence; (mus.) phrase. — lunaire; lunar period. — bien arrondie; well-rounded period. — embarrassée; involved period.

période, n.m., pitch, summit, degree, acme, period. Long — de temps; long period of time.

périodicité, n.f., periodicity.

périodique, adj., periodic, periodical; (arith.) recurring, circulating. Fraction —; (arith.) circulating, recurring decimal, repetend. Fraction — composée; (arith.) mixed circulating decimal. Style —; full style.

périodiquement (-dik-mān), adv., periodically.

périoste, n.m., (anat.) periosteum.