| GEOMORPHOGENIES | • GEOMORPHOGENY n. the study of the origins of land forms. |
| MONOTELEPHONE | • monotelephone n. (Historical) An early telephonic device that transmits only one specific tone. • MONOTELEPHONE n. a telephone that transmits sounds of one pitch only. |
| MONOTELEPHONES | • monotelephones n. Plural of monotelephone. • MONOTELEPHONE n. a telephone that transmits sounds of one pitch only. |
| OSTEOPETROSES | • osteopetroses n. Plural of osteopetrosis. • OSTEOPETROSIS n. a general name for a group of hereditary bone diseases, including marble bone disease, in which bone becomes abnormally dense. |
| PALAEOECOLOGIES | • palaeoecologies n. Plural of palaeoecology. • PALAEOECOLOGY n. the study of early ecology. |
| PALEOECOLOGIES | • paleoecologies n. Plural of paleoecology. • PALEOECOLOGY n. a branch of ecology that is concerned with the characteristics of ancient environments and with their relationships to ancient plants and animals. |
| PHENOMENOLOGIES | • phenomenologies n. Plural of phenomenology. • PHENOMENOLOGY n. the study of phenomena. |
| PHOTOELECTRODE | • photoelectrode n. (Physics) Either electrode of a photoelectric cell. • PHOTOELECTRODE n. an electrode which can exhibit photoelectricity. |
| PHOTOELECTRODES | • photoelectrodes n. Plural of photoelectrode. • PHOTOELECTRODE n. an electrode which can exhibit photoelectricity. |
| PSEUDOCOELOMATE | • pseudocoelomate adj. Of, pertaining to, or possessing a pseudocoel. • pseudocoelomate n. Such an animal. • PSEUDOCOELOMATE n. an invertebrate (as a nematode or rotifer) having a body cavity that is a pseudocoel. |
| ROENTGENOSCOPE | • roentgenoscope n. A fluoroscope. • ROENTGENOSCOPE n. an apparatus for examining patients by use of X-rays, also RONTGENOSCOPE. |
| ROENTGENOSCOPES | • roentgenoscopes n. Plural of roentgenoscope. • ROENTGENOSCOPE n. an apparatus for examining patients by use of X-rays, also RONTGENOSCOPE. |