modification UK /ˌmɒdɪfɪˈkeɪʃən/US /ˌmɑdɪfɪˈkeɪʃən/ noun7 •The change undergone by a word when used in a construction. •The result of modifying something; a new or changed form. •The act of making a change to something while keeping its essential character intact; an alteration or adjustment.Jim's modification to the radio's tuning resulted in clearer sound. •A change to an organism as a result of its environment that is not transmissable to offspring.Due to his sunbathing, Jim's body experienced modifications: he got a tan. •A change to a word when it is borrowed by another language.The Chinese word kòutóu had a modification made to become the English kowtow. •(no longer used) The form of existence belonging to a particular object, entity etc.; a mode of being.Pleasure is the business of woman's life, according to the present modification of society […] — 1791 •(no longer used) The act of assessing and prescribing a payment, penalty, price, valuation, etc.Mekle Kindeass 2 b. 1 f. and £3 12s 1d . . . . and whatever augmentation . . be ye lords commissioners . . . . for modificaton of stipends and plantation of kirks . . . . — 1633 formsmodifications