| red lead |
a poisonous red powder of lead oxide, used in paints, pottery, and glassmaking. |
| red light |
a red-colored electric light at an intersection indicating that traffic is to stop; stoplight. [2 definitions] |
| red meat |
meat that has a red color before cooking, such as beef, venison, or mutton. |
| red oak |
any of several North American oaks that have dark bark, leaves with pointed tips, and a two-year maturation for their acorns. [2 definitions] |
| red pepper |
cayenne pepper. [2 definitions] |
| Red Planet |
see "Mars." |
| red salmon |
see "sockeye salmon." |
| Red Sea |
an extension of the Indian Ocean northwest between Arabia and Africa. |
| red shift |
the tendency of light waves from distant luminous bodies such as galaxies to decrease in frequency with movement away from the observer. (See Doppler effect.) |
| red snapper |
any of several tropical or semitropical marine food fishes having reddish bodies. |
| red spider |
any of various small red spiderlike mites that feed on vegetation. |
| red squirrel |
a common North American tree squirrel with reddish or tawny fur. |
| red tape |
official forms, regulations, and procedures, esp. those resulting in delay and frustration. |
| red tide |
a brownish red discoloration of sea waters caused by a local overabundance of certain single-celled algae that are toxic to many forms of marine life. |
| red-blooded |
strong and energetic; virile. |
| red-eye |
bloodshot or irritated eyes, caused by strain, lack of sleep, illness, or the like. [2 definitions] |
| red-eye gravy |
gravy made from the juices of fried ham, usu. by adding coffee and water to the pan. |
| red-handed |
in the act or process of doing something wrong or illegal. |
| red-hot |
red or glowing with, or as though with, intense heat. [5 definitions] |
| red-letter |
significant, as a happy occasion; memorable. |