apochromat or apochromatic lens (ˌæpəˈkrəʊmæt) ![]() | |
| —n | |
| Compare achromat a lens, consisting of three or more elements of different types of glass, that is designed to bring light of three colours to the same focal point, thus reducing its chromatic aberration | |
| apochromatic lens or apochromatic lens | |
| —n | |
| a fool or simpleton; ninny. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.