Rhizocephala, rī-zō-sef′a-la, n. a group of small parasitic crustaceans.—adj. Rhizoceph′alous. [Gr. rhiza, root, kephalē, head.]
Rhizocrinus, rī-zok′ri-nus, n. a genus of crinoids.—n. Rhizoc′rinoid, a crinoid of this genus. [Gr. rhiza, root, krinon, lily.]
Rhizodont, rī′zō-dont, n. having teeth rooted or ankylosed to the jaw in sockets, as crocodiles. [Gr. rhiza, root, odous, odontos, a tooth.]
Rhizoflagellata, rī-zō-flaj-e-lā′ta, n. an order of flagellate infusoria.—adj. Rhizoflag′ellate. [Gr. rhiza, root, and Eng. flagellum.]
Rhizogen, rī′zō-jen, n. a parasitic plant growing on the root of another plant.—adjs. Rhizogen′ic, Rhizog′enous. [Gr. rhiza, root, genēs, producing.]
Rhizoid, rī′zoid, adj. root-like.—n. a filamentous organ like a root developed on all kinds of thalli, and on moss-stems.—adjs. Rhizoi′dal, Rhizoi′dēous. [Gr. rhizō-dēs, root-like—rhiza, a root.]
Rhizomania, rī-zō-mā′ni-a, n. an abnormal development of adventitious roots, as in the ivy, fig, &c. [Gr. rhiza, root, mania, madness.]
Rhizome, rī′zōm, n. a root-stock, an underground stem when its shape is cylindrical, ending in a bud and bearing leaves or scales.—Also Rhizō′ma. [Gr. rhizōma—rhiza, root.]
Rhizomorph, rī′zō-morf, n. (bot.) a term for the peculiar mycelial growths by which certain fungi attach themselves to higher plants.—adjs. Rhizomor′phoid, Rhizomor′phous. [Gr. rhiza, root, morphē, form.]
Rhizomys, rī′zō-mis, n. a genus of mole-rats, including the Asian bay bamboo-rat. [Gr. rhiza, root, mys, mouse.]