| a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S. |
| (used as a nonsense word by children to express approval or to represent the longest word in English.) |
osteogenesis os·te·o·gen·e·sis (ŏs'tē-ə-jěn'ĭ-sĭs)
n.
Formation and development of bony tissue. Also called osteogeny.