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Postpliocene :: Postpliocene (a.) Of or pertaining to the period immediately following the Pliocene; Pleistocene. Also used as a noun. See Quaternary.

Champlain Period :: Champlain period () A subdivision of the Quaternary age immediately following the Glacial period; -- so named from beds near Lake Champlain.

Quaternary :: Quaternary (a.) Consisting of four; by fours, or in sets of four..

Megatherium :: Megatherium (n.) An extinct gigantic quaternary mammal, allied to the ant-eaters and sloths. Its remains are found in South America..

Megalonyx :: Megalonyx (n.) An extinct quaternary mammal, of great size, allied to the sloth..

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

Diprotodon :: Diprotodon (n.) An extinct Quaternary marsupial from Australia, about as large as the hippopotamus; -- so named because of its two large front teeth. See Illustration in Appendix..

Quantic :: Quantic (n.) A homogeneous algebraic function of two or more variables, in general containing only positive integral powers of the variables, and called quadric, cubic, quartic, etc., according as it is of the second, third, fourth, fifth, or a higher degree. These are further called binary, ternary, quaternary, etc., according as they contain two, three, four, or more variables; thus, the quantic / is a binary cubic..

Quaternate :: Quaternate (a.) Composed of, or arranged in, sets of four; quaternary; as, quaternate leaves..

Thinolite :: Thinolite (n.) A calcareous tufa, in part crystalline, occurring on a large scale as a shore deposit about the Quaternary lake basins of Nevada..

Glyptodon :: Glyptodon (n.) An extinct South American quaternary mammal, allied to the armadillos. It was as large as an ox, was covered with tessellated scales, and had fluted teeth..

Quaternary :: Quaternary (n.) The Quaternary age, era, or formation. See the Chart of Geology..

Mastodon :: Mastodon (n.) An extinct genus of mammals closely allied to the elephant, but having less complex molar teeth, and often a pair of lower, as well as upper, tusks, which are incisor teeth. The species were mostly larger than elephants, and their romains occur in nearly all parts of the world in deposits ranging from Miocene to late Quaternary time..

Loess :: Loess (n.) A quaternary deposit, usually consisting of a fine yellowish earth, on the banks of the Rhine and other large rivers..

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

Quaternary :: Quaternary (n.) The number four.

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..

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