| RHIGOLENE | • rhigolene n. (Organic chemistry) A mixture of volatile hydrocarbons intermediate between gasolene and cymogene, used… • RHIGOLENE n. a volatile liquid obtained from petroleum and used as a local anaesthetic. |
| RHINOCERI | • rhinoceri n. (Nonstandard or humorous) plural of rhinoceros. • RHINOCEROS n. a large heavy ungulate mammal of the perissodactyl family Rhinocerotidae, also RHINOCEROT, RHINOCEROTE. |
| RHINOLITH | • rhinolith n. A calculus that forms in the nasal cavity. • RHINOLITH n. a concretion formed within the cavities of the nose. |
| RHINOLOGY | • rhinology n. The scientific study of the nose. • RHINOLOGY n. the study of the nose. |
| RHIPIDATE | • rhipidate adj. Fan-shaped. • RHIPIDATE adj. fan-shaped. |
| RHIPIDION | • rhipidion n. (Christianity) In the Greek Church, the eucharistic fan or flabellum. • RHIPIDION n. (Greek) in the Greek Orthodox church, the eucharistical fan or flabellum. |
| RHIPIDIUM | • rhipidium n. (Botany) A scorpioid cyme whose successive pedicels follow a zigzag path on the same plane. • RHIPIDIUM n. a fan-shaped cymose inflorescence. |
| RHIZOBIAL | • rhizobial adj. Of or pertaining to rhizobia. • RHIZOBIAL adj. relating to a rhizobium, a bacterium important in nitrogen fixation in leguminous plants. |
| RHIZOBIUM | • rhizobium n. (Biology) Any of various bacteria, of the genus Rhizobium, that form nodules on the roots of legumes and fix nitrogen. • rhizobium n. (Biology, by extension) Any diazotrophic bacterium that can fix nitrogen and form root nodules in legumes. • Rhizobium prop.n. A taxonomic genus within the family Rhizobiaceae – soil bacteria that fix nitrogen in association with… |
| RHIZOCARP | • RHIZOCARP n. a water-fern or heterosporous fern. |
| RHIZOCAUL | • rhizocaul n. (Botany) The rootstock of a polyp. • RHIZOCAUL n. the rootlike stalk of a hydrozoan colony. |
| RHIZOIDAL | • rhizoidal adj. Resembling the root of a plant. • RHIZOIDAL adj. relating to a rhizoid, a short hairlike organ in the lower plants, serving as a root. |
| RHIZOMATA | • rhizomata n. Plural of rhizoma. • RHIZOMA n. (Greek) a rootlike, underground stem, also RHIZOME. |
| RHIZOPODS | • rhizopods n. Plural of rhizopod. • RHIZOPOD n. any of a class of protozoans. |
| RHIZOTOMY | • rhizotomy n. (Surgery) The surgical procedure of cutting the anterior or posterior spinal nerve roots in order to… • RHIZOTOMY n. the surgical severance of the spinal nerve roots to alleviate pain. |