| redox |
used as a short form of "oxidation-reduction," a chemical reaction in which one substance loses electrons to another substance. [2 definitions] |
| red pepper |
cayenne pepper. [2 definitions] |
| Red Planet |
see "Mars." |
| redpoll |
any of various small finches characterized by a red patch on the crown of the head. |
| redraft |
a second or subsequent draft of a blueprint, plan, legislative bill, or the like. [2 definitions] |
| redraw |
combined form of draw. |
| redream |
combined form of dream. |
| redress |
compensation or reparation; amends. [4 definitions] |
| re-dress |
to dress or clothe once more; dress over again. |
| 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.) |
| redshirt |
(informal) to withdraw a varsity athlete from competition for a year in order to extend his or her eligibility. [2 definitions] |
| redskin |
(offensive slang) an American Indian. |
| 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. |
| redstart |
an American warbler, the male of which is mostly black with bright orange patches on the wings and tail. [2 definitions] |
| 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. |
| redtop |
a grass with reddish flower clusters that is grown for hay, pasturage, and lawns. |