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Tertiary :: Tertiary (n.) One of the quill feathers which are borne upon the basal joint of the wing of a bird. See Illust. of Bird.

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..

Tertial :: Tertial (a. & n.) Same as 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 (n.) A member of the Third Order in any monastic system; as, the Franciscan tertiaries; the Dominican tertiaries; the Carmelite tertiaries. See Third Order, under Third..

Paleotherium :: Paleotherium (n.) An extinct genus of herbivorous Tertiary mammals, once supposed to have resembled the tapir in form, but now known to have had a more slender form, with a long neck like that of a llama..

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

Triethylamine :: Triethylamine (n.) A tertiary amine analogous to trimethylamine.

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..

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..

Crag :: Crag (n.) A partially compacted bed of gravel mixed with shells, of the Tertiary age..

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

Xiphodon :: Xiphodon (n.) An extinct genus of artiodactylous mammals found in the European Tertiary formations. It had slender legs, didactylous feet, and small canine teeth..

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..

Neocene :: Neocene (a.) More recent than the Eocene, that is, including both the Miocene and Pliocene divisions of the Tertiary..

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

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

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..

Molasse :: Molasse (n.) A soft Tertiary sandstone; -- applied to a rock occurring in Switzerland. See Chart of Geology.

Bad Lands :: Bad lands () Barren regions, especially in the western United States, where horizontal strata (Tertiary deposits) have been often eroded into fantastic forms, and much intersected by ca–ons, and where lack of wood, water, and forage increases the difficulty of traversing the country, whence the name, first given by the Canadian French, Mauvaises Terres (bad lands)..

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