| Title | erosion |
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Merriam-Webster's Collegiate Dictionary ero·sion DATE 1541 1. a. the action or process of eroding b. the state of being eroded 2. an instance or product of erosive action English Etymology erosion 1541, from M.Fr . erosion, from L. erosionem (nom. erosio), from erodere "gnaw away," from ex- "away" + rodere "gnaw" (see rodent).http://M.Fr Oxford Collocations Dictionary for Students of English erosion noun ADJ. serious, severe Acid rain has caused severe erosion on the hillside. | rapid | gradual, steady the steady erosion of their civil liberties | coastal, soil | glacial, water, wind VERB + EROSION cause, contribute to, lead to, result in | protect sth from, reduce | suffer (from) The area suffers badly from coastal erosion. EROSION + VERB affect sth the areas worst affected by soil erosion PHRASES the rate of erosion Webster's Third New International Dictionary, Unabridged ero·sion \ə̇ˈrōzhən, ēˈ-\ noun (-s) Etymology: Middle French, from Latin erosion-, erosio, from erosus (past participle of erodere to erode) + -ion-, -io -ion — more at erode 1. a. (1) : the superficial destruction of a surface area of tissue (as mucous membrane) by inflammation, ulceration, or trauma < erosion of the uterine cervix > < gizzard erosion in chicks > (2) : progressive loss of the hard substance of a tooth b. : corrosion 1a2. a. : the general process whereby materials of the earth's crust are worn away and removed by natural agencies including weathering, solution, corrasion, and transportation; specifically : land destruction and simultaneous removal of particles (as of soil) by running water, waves and currents, moving ice, or wind < stream erosion > < glacial erosion > — compare denudation b. : surface destruction of a metal or refractory material effected by the abrasive or the corrosive and abrasive action of a moving liquid or gas and often accelerated by solid particles in suspension < range errors due to gun erosion > < severe erosion of the furnace lining caused by the scouring motion of molten slag > c. : even disintegration of a paint surface caused by chalking and washing away 3. : an instance or product of erosion < a circular erosion on the skin half an inch in diameter > < a canyon with red tower-shaped erosions > 4. : progressive impairment or destruction as if by eating or wearing away (as of resources, strength, or effectiveness) : depletion , deterioration < erosion of real earnings by inflation > < the great ideals of liberty and equality are preserved against … the erosion of small encroachments — B.N.Cardozo > |
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