geological era

Noun geological era has 1 sense

• geological era(n = noun.time) era - a major division of geological time; an era is usually divided into two or more periods;
is a kind of geologic time, geological time
has particulars: age of mammals, cenozoic, cenozoic era, age of reptiles, mesozoic, mesozoic era, paleozoic, paleozoic era
is a part of aeon, eon
has parts: geological period, period