- baselevel plain
- \\ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷-\ noun
: a plain produced by the degradation of a region to its baselevel — compare peneplain
Useful english dictionary. 2012.
baselevel plain
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baselevel — I. ˈ ̷ ̷| ̷ ̷ ̷ ̷ noun Etymology: base (I) + level : the level below which a land surface cannot be reduced by running water II. transitive verb : to reduce to or toward the condition of a plain at baselevel … Useful english dictionary
river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… … Universalium
valley — valleylike, adj. /val ee/, n., pl. valleys. 1. an elongated depression between uplands, hills, or mountains, esp. one following the course of a stream. 2. an extensive, more or less flat, and relatively low region drained by a great river system … Universalium
Geography of the United States Pacific Mountain System — Physiographic regions of the U.S. Interior. (See legend) For purposes of description, the physical geography of the United States is split into several major physiographic divisions, one being the Pacific Mountain System. Please refer to the… … Wikipedia
peneplain — peneplanation /pee neuh pleuh nay sheuhn/, n. /pee neuh playn , pee neuh playn /, n. Geol. an area reduced almost to a plain by erosion. Also, peneplane. [1885 90; PENE + PLAIN1] * * * Gently undulating, almost featureless plain near sea level.… … Universalium
