照明之人,反射镜,集光镜
Illuminator \Il*lu"mi*na`tor\, n. [L., an enlightener, LL. also,
an illuminator of books.]
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.