| COELENTERONS | • coelenterons n. Plural of coelenteron. • COELENTERON n. a coelenterate's saclike body cavity. |
| ELECTROSCOPE | • electroscope n. (Physics) a simple device that detects the presence of an electric charge by the mutual repulsion of… • ELECTROSCOPE n. an instrument for detecting electrical charges in the body. |
| ELECTROSONDE | • ELECTROSONDE n. a sonde for measuring atmospheric electricity. |
| ENDOSKELETON | • endoskeleton n. (Anatomy) The internal skeleton of an animal, which in vertebrates is composed of bone and cartilage. • ENDOSKELETON n. an internal skeleton or supporting framework in an animal. |
| ENTEROCOELES | • enterocoeles n. Plural of enterocoele. • ENTEROCOELE n. a coelom originating by outgrowth from the archenteron, also ENTEROCOEL. |
| ETONOGESTREL | • etonogestrel n. A steroidal progestin used in hormonal contraceptives. • ETONOGESTREL n. a molecule used in certain hormonal contraceptives. |
| EXOSKELETONS | • exoskeletons n. Plural of exoskeleton. • EXOSKELETON n. an external skeleton. |
| HETEROLOGIES | • heterologies n. Plural of heterology. • HETEROLOGY n. the study of differences. |
| METEOROLITES | • meteorolites n. Plural of meteorolite. • METEOROLITE n. a meteoric stone. |
| MONOTHELETES | • Monotheletes n. Plural of Monothelete. • MONOTHELETE n. a believer in Monotheletism. |
| OBSOLETENESS | • obsoleteness n. The quality or state of being obsolete or no longer in use. • obsoleteness n. (Biology) The quality of being imperfectly or indistinctly developed. • OBSOLETENESS n. the state of being obsolete. |
| STEREOLOGIES | • STEREOLOGY n. the study of three-dimensional properties of objects usually observed two-dimensionally. |
| TELEUTOSPORE | • teleutospore n. (Botany) The thick-celled winter or resting spore of the rusts (order Uredinales), produced in late summer. • TELEUTOSPORE n. a thick-walled winter spore of the rust fungi, producing a promycelium on germination. |