Il‐lu″mi‐na′tor (?), n. 1. One whose occupation is to adorn books, especially manuscripts, with miniatures, borders, etc. See Illuminate, v. t., 3.
2. A condenser or reflector of light in optical apparatus; also, an illuminant.
Webster's Dictionary 1913
Il‐lu″mi‐na′tor (?), n. 1. One whose occupation is to adorn books, especially manuscripts, with miniatures, borders, etc. See Illuminate, v. t., 3.
2. A condenser or reflector of light in optical apparatus; also, an illuminant.