| A | B |
|---|
| Chromogenic | Producing color |
| Chromium | Element used for making pigments |
| Chromoscope | Optical instrument used to study various properties of color, including value and intensity |
| Hyperchromia | Excessive pigmentation (color), as of the skin |
| Hypochromia | Lack of color |
| Monochrome | Made of shades of a single color |
| Polychrome | Many-colored |
| Epidermal | Related to the outer layer of skin (Biol.) |
| Dermoid | Resembling skin (Med.) |
| Hypodermic | Under the skin |
| Mesodermic | Related to the middle layer of skin (Biol.) |
| Pachyderm | Mammal with thick skin |
| anachronism | Something out of place or time |
| Geochronology | Study of the ages of geologic events |
| Synchronous | Occurring at the same time |
| Chronothermal | Relating to both time and temperature |
| Chronic | Contunuing a long time or recurring frequently |
| Chronology | Science of determining the order in which things occur |
| Chronometer | Timekeeping device of great accuracy, especially used in measuring longitude |
| Optometry | Testing of eyes to measure vision |
| Synoptic | Taking a general view of the whole subject |
| Optical | Pertaining to vision |
| Optophone | Device used by the visually impaired to convert written text into sounds |
| Biopsy | Removal and examination of tissue from a living body (Med.) |
| Biometric | Related to statistical analysis of biological observations and phenomena |
| Biogenic | Resulting from living things |
