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...

Syphilitic :: Syphilis (n.) The pox, or venereal disease; a chronic, specific, infectious disease, usually communicated by sexual intercourse or by hereditary transmission, and occurring in three stages known as primary, secondary, and tertiary syphilis. See under Primary, Secondary, and Tertiary..

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..

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..

Alabama Period :: Alabama period () A period in the American eocene, the lowest in the tertiary age except the lignitic..

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

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

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..

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

Hipparion :: Hipparion (n.) An extinct genus of Tertiary mammals allied to the horse, but three-toed, having on each foot a small lateral hoof on each side of the main central one. It is believed to be one of the ancestral genera of the Horse family..

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

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..

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.

Taxeopoda :: Taxeopoda (n. pl.) An order of extinct Mammalia found in the Tertiary formations.

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

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..

Eocene :: Eocene (a.) Pertaining to the first in time of the three subdivisions into which the Tertiary formation is divided by geologists, and alluding to the approximation in its life to that of the present era; as, Eocene deposits..

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..

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

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..

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