noninflammable

non in flam ma ble |ˌnäninˈflaməbəl ˌnɑnɪnˈflæməbəl | ▶adjective not catching fire easily; not flammable. usage: Technically, there is no difference between nonflammable and noninflammable, but the preferred, less confusing choice is nonflammable. See also usage at inflammable .