|
|
pho·to·chro·mic
 photochromic
|
|
- pronunciation:
- fo
to
kra
mihk
- features:
- Word Parts
| part of speech: |
adjective |
| definition: |
designating a transparent material such as specially treated glass or film that turns dark when exposed to light and returns to normal when the light is removed.
|
|
|
| derivation: |
photochromism (n.) |
|
|