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| a fool or simpleton; ninny. |
| the offspring of a zebra and a donkey. |
| achromatic (ˌækrəˈmætɪk) | |
| —adj | |
| 1. | without colour |
| 2. | capable of reflecting or refracting light without chromatic aberration |
| 3. | cytology |
| a. not staining with standard dyes | |
| b. of or relating to achromatin | |
| 4. | music |
| a. involving no sharps or flats | |
| b. another word for diatonic | |
| 5. | denoting a person who is an achromat |
| achro'matically | |
| —adv | |
| achromatism | |
| —n | |
| achromaticity | |
| —n | |
achromatism a·chro·ma·tism (ā-krō'mə-tĭz'əm, ə-krō'-)
n.
The quality of being achromatic.
The correction of chromatic aberration by combining lenses of different refractive indexes and different dispersion.