| Rh factor |
a substance usu. present in the red blood cells that may cause severe negative reaction if transferred, as by pregnancy or blood transfusions, into a person lacking this substance. |
| rhinal |
of or relating to the nose; nasal. |
| Rhine |
a river that flows from Switzerland through Germany and the Netherlands to the North Sea. |
| rhinestone |
an artificial gem made to resemble a diamond. |
| Rhine wine |
any of various light, semidry, white wines that come from the Rhine Valley, or similar wines from elsewhere. |
| rhinitis |
inflammation of the mucous membrane of the nose or nasal passages. |
| rhino |
a rhinoceros. |
| rhino- |
nose. |
| rhinoceros |
one of several species of large, plant-eating, hoofed mammals native to Africa and Southeast Asia, having a very thick hide and one or two vertical horns on the snout. |
| rhinoplasty |
plastic surgery on the nose. |
| rhinovirus |
any of a large group of related RNA viruses that cause respiratory diseases, esp. the common cold. |
| rhizo- |
root. |
| rhizobium |
any of various soil bacteria that live in a symbiotic relationship with legume plants by forming nodules on the roots and converting atmospheric nitrogen into a form the plants can use. |
| rhizoid |
rootlike. [2 definitions] |
| rhizome |
an underground horizontal or compressed stem that bears shoots along its upper surface. |
| rhizopod |
a protozoan such as the amoeba that moves and takes in food by means of pseudopodia. |
| Rh negative |
lacking the Rh factor in the red blood cells. |
| rho |
the name of the seventeenth letter of the Greek alphabet. |
| Rhode Island |
a New England state on the Atlantic coast between Connecticut and Massachusetts. (abbr.: RI) |
| Rhode Island Red |
any of an American breed of chicken with dark reddish brown feathers, that produces brown eggs. |
| Rhode Island White |
any of an American breed of chicken with white feathers and a red comb. |