| BIOAERONAUTICS | • BIOAERONAUTICS n. the use of aircraft in the discovery, development, and protection of natural and biological resources. |
| BRONTOSAURUSES | • brontosauruses n. Plural of brontosaur. • BRONTOSAURUS n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAUR. |
| CLAUSTROPHOBES | • claustrophobes n. Plural of claustrophobe. • CLAUSTROPHOBE n. one with a fear of confined spaces. |
| CLAUSTROPHOBIA | • claustrophobia n. The fear of closed, tight places. • CLAUSTROPHOBIA n. fear of closed spaces. |
| CLAUSTROPHOBIC | • claustrophobic adj. (Psychology) Suffering from claustrophobia; being scared of being enclosed in a confined space. • claustrophobic adj. Cramped and confined, so as to induce claustrophobia. • claustrophobic n. Someone with claustrophobia. |
| DINOTURBATIONS | • DINOTURBATION n. the effects of dinosaur trampling on the formation of sedimentary rock. |
| MOUNTAINBOARDS | • mountainboards n. Plural of mountainboard. • MOUNTAINBOARD n. a form of all-terrain skateboard derived from a snowboard. |
| NEUROBLASTOMAS | • neuroblastomas n. Plural of neuroblastoma. • NEUROBLASTOMA n. a tumour of the nervous system. |
| PROTUBERATIONS | • protuberations n. Plural of protuberation. • PROTUBERATION n. a swelling out, a bulge. |
| ROUNDABOUTNESS | • roundaboutness n. The quality of being roundabout or circuitous. • ROUNDABOUTNESS n. the state of being roundabout. |
| SOMNAMBULATORS | • somnambulators n. Plural of somnambulator. • SOMNAMBULATOR n. a sleepwalker. |
| SUBCONTRACTORS | • subcontractors n. Plural of subcontractor. • SUBCONTRACTOR n. an individual or business firm contracting to perform part or all of another's contract. |
| SUBORDINATIONS | • subordinations n. Plural of subordination. • SUBORDINATION n. the act of subordinating or placing in a lower order. |
| THOROUGHBASSES | • thoroughbasses n. Plural of thoroughbass. • THOROUGHBASS n. esp. in baroque music, a bass part underlying a piece. |
| THOROUGHBRACES | • thoroughbraces n. Plural of thoroughbrace. • THOROUGHBRACE n. any of several leather straps supporting the body of a carriage and serving as springs. |