Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of tertiary is as below...

Pleistocene :: Pleistocene (a.) Of or pertaining to the epoch, or the deposits, following the Tertiary, and immediately preceding man..

Posttertiary :: Posttertiary (a.) Following, or more recent than, the Tertiary; Quaternary..

Pretertiary :: Pretertiary (a.) Earlier than Tertiary.

Tertiary :: Tertiary (a.) Being of the third formation, order, or rank; third; as, a tertiary use of a word..

Miocene :: Miocene (a.) Of or pertaining to the middle division of the Tertiary.

Quaternary :: Quaternary (a.) Later than, or subsequent to, the Tertiary; Post-tertiary; as, the Quaternary age, or Age of man..

Tertiary :: Tertiary (n.) The Tertiary era, period, or formation..

Diabase :: Diabase (n.) A basic, dark-colored, holocrystalline, igneous rock, consisting essentially of a triclinic feldspar and pyroxene with magnetic iron; -- often limited to rocks pretertiary in age. It includes part of what was early called greenstone..

Nummulites :: Nummulites (n.) A genus of extinct Tertiary Foraminifera, having a thin, flat, round shell, containing a large number of small chambers arranged spirally..

Period :: Period (n.) One of the great divisions of geological time; as, the Tertiary period; the Glacial period. See the Chart of Geology..

Tertiary :: Tertiary (a.) Later than, or subsequent to, the Secondary..

Cenozoic :: Cenozoic (a.) Belonging to the most recent division of geological time, including the tertiary, or Age of mammals, and the Quaternary, or Age of man. [Written also caenozoic, cainozoic, kainozoic.] See Geology..

Flysch :: Flysch (n.) A name given to the series of sandstones and schists overlying the true nummulitic formation in the Alps, and included in the Eocene Tertiary..

Coryphodon :: Coryphodon (n.) A genus of extinct mammals from the eocene tertiary of Europe and America. Its species varied in size between the tapir and rhinoceros, and were allied to those animals, but had short, plantigrade, five-toed feet, like the elephant..

Tertiary :: Tertiary (a.) Possessing some quality in the third degree; having been subjected to the substitution of three atoms or radicals; as, a tertiary alcohol, amine, or salt. Cf. Primary, and Secondary..

Faluns :: Faluns (n.) A series of strata, of the Middle Tertiary period, of France, abounding in shells, and used by Lyell as the type of his Miocene subdivision..

Oreodon :: Oreodon (n.) A genus of extinct herbivorous mammals, abundant in the Tertiary formation of the Rocky Mountains. It is more or less related to the camel, hog, and deer..

Pliocene :: Pliocene (a.) Of, pertaining to, or characterizing, the most recent division of the Tertiary age..

Laramie Group :: Laramie group () An extensive series of strata, principally developed in the Rocky Mountain region, as in the Laramie Mountains, and formerly supposed to be of the Tertiary age, but now generally regarded as Cretaceous, or of intermediate and transitional character. It contains beds of lignite, often valuable for coal, and is hence also called the lignitic group. See Chart of Geology..

Tertiary :: Tertiary (a.) Growing on the innermost joint of a bird's wing; tertial; -- said of quills.

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