| APOGEOTROPISMS | • APOGEOTROPISM n. bending up or away from the ground. |
| AUTOCOPROPHAGY | • autocoprophagy n. The feeding on its own excrement. • AUTOCOPROPHAGY n. eating one's own feces. |
| ESOPHAGOSCOPES | • esophagoscopes n. Plural of esophagoscope. • ESOPHAGOSCOPE n. an implement for examining the oesophagus. |
| OESOPHAGOSCOPE | • oesophagoscope n. Alternative form of esophagoscope. • OESOPHAGOSCOPE n. an instrument for examining the oesophagus. |
| OESOPHAGOSCOPY | • oesophagoscopy n. Alternative form of esophagoscopy. • OESOPHAGOSCOPY n. examination of the oesophagus, also ESOPHAGOSCOPY. |
| OPPIGNORATIONS | • oppignorations n. Plural of oppignoration. • OPPIGNORATION n. the act of pawning, also OPPIGNERATION. |
| PALAEOPEDOLOGY | • palaeopedology n. Alternative spelling of paleopedology. • palæopedology n. Obsolete spelling of paleopedology. • PALAEOPEDOLOGY n. the study of early soils. |
| PALEOPATHOLOGY | • paleopathology n. The study of ancient diseases. • paleopathology n. (Countable) Any ancient disease itself. • PALEOPATHOLOGY n. a branch of pathology concerned with ancient diseases as evidenced esp. in fossil or other remains. |
| PHYTOPATHOLOGY | • phytopathology n. The study of plant diseases; plant pathology. • PHYTOPATHOLOGY n. plant pathology. |
| PROSOPAGNOSIAS | • prosopagnosias n. Plural of prosopagnosia. • PROSOPAGNOSIA n. inability to recognize familiar faces. |
| PROSOPOGRAPHER | • PROSOPOGRAPHER n. a writer of prosopographies, biographical sketches. |
| PYROPHOTOGRAPH | • PYROPHOTOGRAPH n. a burnt-in photograph, e.g. on glass or porcelain. |
| SPORANGIOPHORE | • sporangiophore n. (Botany) A receptacle in ferns which bears the sporangia, usually a stalk, but sometimes a scale (as in horsetails). • sporangiophore n. (Mycology) A special type of hypha that bears sporangia on the tip. • SPORANGIOPHORE n. a stalk to which sporangia are attached. |
| SPORANGIOSPORE | • sporangiospore n. A spore produced by a sporangium (in many fungi, such as zygomycetes). • SPORANGIOSPORE n. a spore developed in a sporangium. |