erosion-resistant material
1erosion — erosional, adj. /i roh zheuhn/, n. 1. the act or state of eroding; state of being eroded. 2. the process by which the surface of the earth is worn away by the action of water, glaciers, winds, waves, etc. [1535 45; < L erosion (s. of erosio). See …
2Composite material — A cloth of woven carbon fiber filaments, a common element in composite materials Composite materials, often shortened to composites or called composition materials, are engineered or naturally occurring materials made from two or more constituent …
3Fatigue (material) — Metal fatigue redirects here. For the video game, see Metal Fatigue (disambiguation). v · d · e Materials failure modes …
4Braided river — Not to be confused with the River Braid, Ballymena, Northern Ireland. For other uses see Braid (disambiguation). A braided river is one of a number of channel types and has a channel that consists of a network of small channels separated by small …
5valley — 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 …
6Surtsey — featured articleInfobox World Heritage Site WHS = Surtsey State Party = ISL Type = Natural Criteria = ix ID = 1267 Region = Europe and North America Year = 2008 Session = 32nd Extension = Link = http://whc.unesco.org/en/list/1267Surtsey… …
7bay — bay1 /bay/, n. 1. a body of water forming an indentation of the shoreline, larger than a cove but smaller than a gulf. 2. South Atlantic States. an arm of a swamp. 3. a recess of land, partly surrounded by hills. 4. an arm of a prairie or swamp,… …
8eastern Africa — ▪ region, Africa Introduction part of sub Saharan Africa comprising two traditionally recognized regions: East Africa, made up of Kenya, Tanzania, and Uganda; and the Horn of Africa, made up of Somalia, Djibouti, Eritrea, and Ethiopia.… …
9Geology of Pennsylvania — The Geology of Pennsylvania consists of six distinct physiographic provinces, three of which are subdivided into different sections. Each province has its own economic advantages and geologic hazards and play an important role in shaping every… …
10Colorado Plateau — A map of the Colorado Plateau. The …
