genus Peridinium
— Navneord
– Engelsk
~ type genus of the family Peridiniidae
genus Perilla
— Navneord
– Engelsk
~ small genus of Asiatic herbs
gestation period
— Navneord
– Engelsk
~ the period during which an embryo develops (about 266 days in humans)
grace period
— Navneord
– Engelsk
~ a period of time past the deadline for fulfilling an obligation during which a penalty that would be imposed for being late is waived, especially an extended period granted as a special favor; "The payment had originally been due on April 1 but we had a grace period which expired in June."
glacial period
— Navneord
– Engelsk
~ any period of time during which glaciers covered a large part of the earth's surface; "the most recent ice age was during the Pleistocene"
geological period
— Navneord
– Engelsk
~ a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods"