al·ter·a·tion /ˌɑ:ltəˈreɪʃən/ noun
plural al·ter·a·tions : the act, process, or result of changing or altering something [noncount] ▪ the alteration of the pattern ▪ They did a good job on the dress alteration. [count] ▪ The addition of a glossary is the only significant alteration [=change, modification] to the book. ▪ He made alterations in/to his will.
