·- The period in which the American Upper Silurian system, containing the brine-producing rocks of central New York, was formed. ·see the Chart of Geology.
·adj Salt works. II. Salina ·adj A salt marsh, or salt pond, inclosed from the sea. ...
Webster's Dictionary of the English Language
·vt To put an end to. II. Period ·noun A complete musical sentence. III. Period ·vi To come to a p...
·- A period in the American eocene, the lowest in the tertiary age except the lignitic. ...
·- The closing subdivision of the Devonian age in America. The rocks of this period are well develop...
·- A subdivision of the Quaternary age immediately following the Glacial period; — so named from be...
·- A subdivision in the upper part of the Devonian system in America, so named from the Chemung Rive...
·- A subdivision of the Devonian system of America; — so named from Hamilton, Madison Co., New York...
·- A subdivision or the American Upper Silurian system, embracing the Medina, Clinton, and Niagara e...
·- A subdivision in the lower Silurian system of America; — so named from Trenton Falls, in New Yor...
The time of revolution of a primary or secondary planet in reference to its line of apsides; that is...
The Sailor's Word-Book
A period of 7980 years, dating from B.C. 4713; being the product of the numbers 15, 19, and 28 multi...
See revolution, time of. ...
If the interval of periodic time of a planet, or comet, be taken in reference to its passages throug...