| RHI | large widely distributed family of termites of temperate to tropical regions |
|---|---|
| RHI | surgical procedure in which an incision is made in the nose to drain accumulated pus |
| RHI | a respiratory infection of the nose and throat in cattle |
| RHI | any of a group of picornaviruses that are responsible for many upper respiratory infections |
| RHI | large genus of epiphytic or lithophytic unarmed cacti with usually segmented stems and pendulous branches |
| RHI | Old World chameleons |
| RHI | a small family of rod-shaped bacteria |
| RHI | the type genus of Rhizobiaceae |
| RHI | any fungus now or formerly belonging to the form genus Rhizoctinia |
| RHI | disease caused by rhizoctinia or fungi of Pellicularia and Corticium |
| RHI | fungus causing a disease in potatoes characterized by black scurfy spots on the tubers |
| RHI | any of various slender filaments that function as roots in mosses and ferns and fungi etc |