| 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. |
vasodilator va·so·di·la·tor (vā'zō-dī-lā'tər, -dĭ-, -dī'lā-)
n.
Something, such as a nerve or drug, that causes vasodilation. adj.
Producing vasodilation.