Search

Search results

Displaying 51 - 60

granite

(Encyclopedia) granite, coarse-grained igneous rock of even texture and light color, composed chiefly of quartz and feldspars. It usually contains small quantities of mica or hornblende, and minor…

bent grass

(Encyclopedia) bent grass, any species of the genus Agrostis of the family Poaceae (grass family), chiefly slender, delicate plants native to cool climates. Many are used for forage or lawns.…

waterfall

(Encyclopedia) waterfall, a sudden unsupported drop in a stream. It is formed when the stream course is interrupted as when a stream passes over a layer of harder rock—often igneous—to an area of…

waterway

(Encyclopedia) waterway, natural or artificial navigable inland body of water, or system of interconnected bodies of water, used for transportation, may include a lake, river, canal, or any…

The Supreme Court: Protecting Land and Home

Protecting Land and HomeThe Supreme CourtDeciding Property RightsProtecting Land and HomeSaving WetlandsProtecting Patents, Copyrights and TrademarksTrademark for Sex Shop Most of the time…

Oligocene epoch

(Encyclopedia) Oligocene epochOligocene epochŏlˈəgōsēnˌ [key], third epoch of the Tertiary period in the Cenozoic era of geologic time, lasting from 38 to 24 million years ago. More of North America…

fall line

(Encyclopedia) fall line, boundary between an upland region and a coastal plain across which rivers from the upland region drop to the plain as falls or rapids. A fall line is formed in an area where…

Ordovician period

(Encyclopedia) Ordovician periodOrdovician periodôrdəvĭshˈən [key] [from the Ordovices, ancient tribe of N Wales], second period of the Paleozoic era of geologic time (see Geologic Timescale,…