| ANDROGYNOPHORES | • androgynophores n. Plural of androgynophore. • ANDROGYNOPHORE n. another name for the androphore, a support or column on which stamens are raised. |
| ARCHEOASTRONOMY | • archeoastronomy n. Alternative spelling of archaeastronomy. • ARCHEOASTRONOMY n. the scientific study of the beliefs and practices concerning astronomy that existed in ancient and prehistoric civilizations. |
| ASTROPHOTOGRAPH | • astrophotograph n. Alternative form of astrophoto. • ASTROPHOTOGRAPH n. a photograph of a celestial body. |
| BRONCHODILATORS | • bronchodilators n. Plural of bronchodilator. • BRONCHODILATOR n. a drug that relaxes bronchial muscle resulting in expansion of the bronchial air passages. |
| CHROMATOPHOROUS | • CHROMATOPHOROUS adj. of or like a chromatophore, a pigment-bearing cell. |
| HYPOMENORRHOEAS | • hypomenorrhoeas n. Plural of hypomenorrhoea. • HYPOMENORRHOEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHEA. |
| ORGANOCHLORINES | • organochlorines n. Plural of organochlorine. • ORGANOCHLORINE n. a compound of chlorine and an organic radical. |
| ORTHOCHROMATISM | • orthochromatism n. Quality of being orthochromatic. • ORTHOCHROMATISM n. the state of being orthochromatic, of photographic film, sensitive to all colours except red. |
| PHOTOTRANSISTOR | • phototransistor n. (Electronics) Any semiconductor device whose electrical characteristics are light-sensitive. • PHOTOTRANSISTOR n. a junction transistor, whose base signal is generated by illumination of the base. |
| PROSOPOGRAPHERS | • PROSOPOGRAPHER n. a writer of prosopographies, biographical sketches. |
| PROSOPOGRAPHIES | • prosopographies n. Plural of prosopography. • PROSOPOGRAPHY n. a biographical sketch; a description of person. |
| PROTHONOTARIATS | • prothonotariats n. Plural of prothonotariat. • PROTHONOTARIAT n. the college constituted by the twelve apostolical prothonotaries (bishops and senior members of the curia) in Rome, also PROTONOTARIAT. |
| PROTOHISTORIANS | • protohistorians n. Plural of protohistorian. • PROTOHISTORIAN n. one who studies protohistory. |
| PYROPHOTOGRAPHS | • PYROPHOTOGRAPH n. a burnt-in photograph, e.g. on glass or porcelain. |
| RADIOPHOSPHORUS | • radiophosphorus n. Radioactive phosphorus (especially when used as a tracer). • RADIOPHOSPHORUS n. a radioactive isotope of phosphorus. |
| SPORANGIOPHORES | • sporangiophores n. Plural of sporangiophore. • SPORANGIOPHORE n. a stalk to which sporangia are attached. |