ero·sion 
/ɪˈroʊʒən/ noun
/ɪˈroʊʒən/ noun [noncount] : the gradual destruction of something by natural forces (such as water, wind, or ice) : the process by which something is eroded or worn away
▪ Landscapers planted grass to stop the erosion of the hillside. ▪ Centuries of erosion by wind have carved grooves in the rocks. — often used figuratively ▪ the erosion of moral standards ▪ an erosion of support for the new law ▪ Many companies fear further erosion of liberal trade policies.
▪ Landscapers planted grass to stop the erosion of the hillside. ▪ Centuries of erosion by wind have carved grooves in the rocks. — often used figuratively ▪ the erosion of moral standards ▪ an erosion of support for the new law ▪ Many companies fear further erosion of liberal trade policies.
— ero·sion·al /ɪˈroʊʒənl̟/ adjective, technical
▪ erosional areas/periods/processes
/ɪˈroʊʒənl̟/ adjective, technical ▪ erosional areas/periods/processes
— ero·sive /ɪˈroʊsɪv/ adjective [more erosive; most erosive] technical
▪ the erosive effect of water ▪ erosive processes
/ɪˈroʊsɪv/ adjective [more erosive; most erosive] technical ▪ the erosive effect of water ▪ erosive processes
