a, o, d, e, p, r, t, i, y are letters that make 'Tertiary period'
ER, OD, pe, period, ti, te, ar, RI, tertiary, Rio, AR, IA, Io, peri, TIA, Ar, Er, Te, Ti, Tertiary, ERT are words within 'Tertiary period'
1 possible definitions for 'Tertiary period'
Under this definition, tertiary period is a noun and has the following properties:
Tertiary has the same meaning as Tertiary period
'Tertiary period' can be considered an instance of period, geological period.
'Tertiary period' can be a part of Cenozoic, Cenozoic era, Age of Mammals.
Pliocene, Pliocene epoch, Miocene, Miocene epoch, Oligocene epoch, Eocene, Eocene epoch, Paleocene, Paleocene epoch, Oligocene are parts of 'Tertiary period'.