dimethyldioctadecylammonium chloride /ˌdaɪˌmɛθɪlˌdaɪˌɒk.təˈdɛs.ɪl.əˈmoʊ.ni.əm ˈklɔːr.aɪd/ noun1 •A chemical that helps soften, condition, and reduce static. It has a positive charge and long oily parts that let it stick to surfaces. Hence its used in objects like fabric softeners and conditioners.