Acadian
Acadian period

boulder
boulder period

cooling-off period
período de reflexão

grace
grace period / days of grace

honeymoon
honeymoon period

incubation
incubation period

indefinite
for an indefinite period of time

limitation
limitation period

limited
for a limited period only

lunisolar
lunisolar period

perinatal
perinatal period

period
glacial period

pupillage
in the period of his pupillage

remote
at a remote period

revolt
a period of revolt

sidereal
sidereal period

training
training period

transition
a period of transition