"Triethylamine" is a word in ENGLISH

A period in the American eocene, the lowest in the tertiary age except the lignitic.

A group of large, extinct, herbivorous mammals, common in the Tertiary formation of the United States.

Barren regions, especially in the western United States, where horizontal strata (Tertiary deposits) have been often eroded into fantastic forms, …

Belonging to the most recent division of geological time, including the tertiary, or Age of mammals, and the Quaternary, or …

A genus of extinct mammals from the eocene tertiary of Europe and America. Its species varied in size between the …

A partially compacted bed of gravel mixed with shells, of the Tertiary age.

Pertaining to the first in time of the three subdivisions into which the Tertiary formation is divided by geologists, and …

A series of strata, of the Middle Tertiary period, of France, abounding in shells, and used by Lyell as the …

A name given to the series of sandstones and schists overlying the true nummulitic formation in the Alps, and included …

An extinct genus of Tertiary mammals allied to the horse, but three-toed, having on each foot a small lateral hoof …

An extensive series of strata, principally developed in the Rocky Mountain region, as in the Laramie Mountains, and formerly supposed …

Of or pertaining to the middle division of the Tertiary.

A soft Tertiary sandstone; -- applied to a rock occurring in Switzerland. See Chart of Geology.

More recent than the Eocene, that is, including both the Miocene and Pliocene divisions of the Tertiary.

A genus of extinct Tertiary Foraminifera, having a thin, flat, round shell, containing a large number of small chambers arranged …

One of the tertiary colors, composed of violet and green mixed in equal strength and proportion.

A genus of extinct herbivorous mammals, abundant in the Tertiary formation of the Rocky Mountains. It is more or less …

An extinct genus of herbivorous Tertiary mammals, once supposed to have resembled the tapir in form, but now known to …

One of the great divisions of geological time; as, the Tertiary period; the Glacial period. See the Chart of Geology.

Of or pertaining to the epoch, or the deposits, following the Tertiary, and immediately preceding man.