| R | (Old Testament) the second wife of Jacob and mother of Joseph and Benjamin |
|---|---|
| R | United States biologist remembered for her opposition to the use of pesticides that were hazardous to wildlife (1907-1964) |
| R | United States biologist remembered for her opposition to the use of pesticides that were hazardous to wildlife (1907-1964) |
| R | mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction |
| R | move by degrees in one direction only, as of toothed wheels |
| R | the series of vertebrae forming the axis of the skeleton and protecting the spinal cord |
| R | axis of a compound leaf or compound inflorescence |
| R | a not uncommon congenital defect in which a vertebra is malformed |
| R | of or relating to or resulting from rickets |
| R | childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus |
| R | inflammation of the vertebral column |
| R | composer and piano virtuoso born in Russia (1873-1943) |