| ECONOMETERS | • ECONOMETER n. a device in a car that informs the driver of how much fuel they are consuming. |
| ENTEROCOELS | • enterocoels n. Plural of enterocoel. • ENTEROCOEL n. a coelom originating by outgrowth from the archenteron, also ENTEROCOELE. |
| EXOSKELETON | • exoskeleton n. (Anatomy) A hard outer structure that provides both structure and protection to creatures such as insects… • EXOSKELETON n. an external skeleton. |
| FREEBOOTERS | • freebooters n. Plural of freebooter. • FREEBOOTER n. a person who roves about freely in search of booty, a pirate. |
| FREEBOOTIES | • FREEBOOTY n. piracy, also FREEBOOTERY. |
| HERETOFORES | • HERETOFORE n. the past. |
| NEOCORTEXES | • neocortexes n. Plural of neocortex. • NEOCORTEX n. the back of the cortex. |
| ONTOGENESES | • ontogeneses n. Plural of ontogenesis. • ONTOGENESIS n. the origin and development of a single individual organism. |
| OSTEOGENIES | • OSTEOGENY n. the formation or growth of bone. |
| STEREOSCOPE | • stereoscope n. An instrument used for viewing pairs of stereoscopic photographs. • STEREOSCOPE n. an instrument for viewing special three-dimensional photographs. |
| TELEOLOGIES | • teleologies n. Plural of teleology. • TELEOLOGY n. the doctrine that final causes exist in nature. |
| TELEONOMIES | • teleonomies n. Plural of teleonomy. • TELEONOMY n. the property of living systems of being organized towards the attainment of ends without true purposiveness. |
| TELEOSTOMES | • teleostomes n. Plural of teleostome. • TELEOSTOME n. a fish with membrane bones in the skull, jaws etc., as with any ordinary fish except skates and rays. |