| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
carrageenan car·ra·geen·an or car·ra·geen·in (kār'ə-gē'nən)
n.
Any of a group of closely related colloids derived from several red algae, widely used as a thickening, stabilizing, emulsifying, or suspending agent in pharmaceuticals.
| carrageenan (kār'ə-gē'nən) Pronunciation Key
A gelatinous material derived from Irish moss (Chondrus crispus) and other species of red algae. It is widely used as a thickening, stabilizing, emulsifying, or suspending agent in industrial, pharmaceutical, and food products. |