| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a chattering or flighty, light-headed person. |
dehiscence de·his·cence (dĭ-hĭs'əns)
n.
A bursting open or splitting along natural or sutured lines.
| dehiscence (dĭ-hĭs'əns) Pronunciation Key
The spontaneous opening at maturity of a plant structure, such as a fruit, anther, or sporangium, to release its contents. Compare indehiscence. dehisce verb |