rasping surface
1rasping — rasp·ing || ræspɪŋ / rÉ‘Ë adj. (about a sound) grating, harsh, irritating ræsp /rÉ‘Ësp n. file, flat tool with an abrasive surface; act of scraping, act of scouring, abrasion v. scrape, abrade, scour …
2Shagreen — is a type of roughened untanned leather, formerly made from a horse s back, or that of an onager (wild ass), and typically dyed green. Shagreen is now commonly made of the skins of sharks and rays. The word derives from the French chagrin… …
3fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with …
4Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… …
5Mollusca — Temporal range: Cambrian–Recent …
6Odontogriphus — Temporal range: Burgess Shale …
7rasp — 1 verb 1 (I, T) to make a rough unpleasant sound, like that of two surfaces rubbing together: metal rasping against stone | They could hear Peter s rasping breath as he fell to the ground. 2 (T) to rub a surface with something rough raspingly… …
8bivalve — bivalvular /buy val vyeuh leuhr/, adj. /buy valv /, n. 1. Also called lamellibranch. Zool. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. adj. 2.… …
9Lotic ecosystems — are the ecosystems of rivers, streams and springs. Included in these environments are the biotic interactions (amongst plants, animals and micro organisms) together with the abiotic interactions (physical and chemical). [Angelier (2003)] Lotic… …
10abrasive — abrasively, adv. abrasiveness, n. /euh bray siv, ziv/, n. 1. any material or substance used for grinding, polishing, etc., as emery, pumice, or sandpaper. adj. 2. tending to abrade; causing abrasion; abrading. 3. tending to annoy or cause ill… …
