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Dictionary Suite
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rheumatism any disorder of the joints causing pain and stiffness in the limbs or back.
rheumatoid of or similar to rheumatism. [2 definitions]
rheumatoid arthritis a chronic disease involving inflammation of the joints, varying degrees of immobility, and usu. some deformity of the joints.
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.