noun, plural rhizobia
[rahy-zoh-bee-uh] /raɪˈzoʊ bi ə/ (Show IPA). Bacteriology.
any of several rod-shaped bacteria of the genus Rhizobium, found as symbiotic nitrogen fixers in nodules on the roots of the bean, clover, etc.
noun (pl) -bia (-bɪə)
any rod-shaped bacterium of the genus Rhizobium, typically occurring in the root nodules of leguminous plants and able to fix atmospheric nitrogen See also nitrogen fixation
[rahy-zoh-kahr-puh s] /ˌraɪ zoʊˈkɑr pəs/ adjective, Botany. 1. having the root perennial but the stem annual, as perennial herbs. rhizocarpous /ˌraɪzəʊˈkɑːpəs/ adjective 1. (of plants) producing subterranean flowers and fruit 2. (of perennial plants) having roots that persist throughout the year but stems and leaves that wither at the end of the growing season
[rahy-zoh-sef-uh-luh s] /ˌraɪ zoʊˈsɛf ə ləs/ adjective, Zoology. 1. belonging to the Rhizocephala, a group of degenerate hermaphrodite crustaceans that are parasitic chiefly on crabs. rhizocephalan /ˌraɪzəʊˈsɛfələn/ noun 1. any parasitic crustacean of the order Rhizocephala, esp Sacculina carcini, which has a saclike body and sends out absorptive processes into the body of its host, […]
[rahy-zoh-sef-uh-luh s] /ˌraɪ zoʊˈsɛf ə ləs/ adjective, Zoology. 1. belonging to the Rhizocephala, a group of degenerate hermaphrodite crustaceans that are parasitic chiefly on crabs.
noun 1. any of various soil-inhabiting fungi of the genus Rhizoctonia, some species of which are destructive to cultivated plants, causing damping off of seedlings, foliage blight, root and stem cankers, and rot of storage organs.