| rabies |
an infectious viral disease of mammals usu. transmitted by the bite of an infected animal, causing inflammation of the central nervous system that results in violent and irrational behavior followed by death if not treated. |
| raccoon |
a nocturnal North American mammal having brownish gray fur, masklike black facial markings, and black rings around the tail. [2 definitions] |
| raccoon dog |
a small wild dog of Asia that has long loose fur, a short thick tail, and dark markings around the eyes resembling those of a raccoon. |
| race1 |
a competition in which one wins by being the fastest. [8 definitions] |
| race2 |
a human population sharing certain common hereditary physical features. [5 definitions] |
| race-baiting |
engaging in verbal abuse of members of another race, esp. in front of a group of people of one's own race in order to agitate and sway. |
| racecar |
an automobile used in auto racing. |
| racecourse |
a track or route along which races are run. |
| racehorse |
a horse trained or bred for racing. |
| raceme |
in botany, a type of flowering in which blooms occur on short stalks extending from the main axis of the stem. |
| racemic |
of a chemical compound, containing equal quantities of isomers that rotate polarized light to the left and right, so that the net effect is zero. |
| racer |
a person who takes part in races. [3 definitions] |
| race riot |
widespread violence or destruction in a community that arises from racial conflict or hatred. |
| racerunner |
any of several fast-moving long-tailed American lizards. |
| racetrack |
a track or course used for racing. |
| raceway |
a narrow artificial channel for water; millrace. [2 definitions] |
| rachis |
the central axis or shaft of an inflorescence of a compound leaf. [3 definitions] |
| rachitis |
inflammation of the spine; rickets. |
| racial |
characteristic of a single race or of particular races of people. [2 definitions] |
| racialism |
the adherence to or practice of racism. |
| racing |
the sport of competing with others to be the fastest, esp. in driving a car or riding a horse. |