| PHOTOSYSTEMS | • photosystems n. Plural of photosystem. • PHOTOSYSTEM n. either of two photochemical reaction centers consisting chiefly of photosynthetic pigments complexed with protein and occurring in chloroplasts. |
| PHYSOSTOMOUS | • physostomous adj. (Zoology) Having a duct to the air bladder. • physostomous adj. (Zoology) Relating to the Physostomi. • PHYSOSTOMOUS adj. of fishes, having a duct connecting the air bladder to part of the alimentary canal. |
| GYMNOSOPHISTS | • gymnosophists n. Plural of gymnosophist. • GYMNOSOPHIST n. one of a sect of naked ascetics of ancient India, also GYMNOSOPH. |
| PSYCHOLOGISMS | • psychologisms n. Plural of psychologism. • PSYCHOLOGISM n. a theory that applies psychological conceptions to the interpretation of historical events or logical thought. |
| SPHYGMOSCOPES | • sphygmoscopes n. Plural of sphygmoscope. • SPHYGMOSCOPE n. an instrument for making arterial pulsations visible. |
| TOMBOYISHNESS | • tomboyishness n. The state or condition of being tomboyish; the behaviour of a tomboy. • TOMBOYISHNESS n. the state of being tomboyish. |
| MONOPHYSITISMS | • MONOPHYSITISM n. belief that Christ was primarily divine but in human form. |
| PHYSIOGNOMISTS | • physiognomists n. Plural of physiognomist. • PHYSIOGNOMIST n. a student of physiognomy. |
| PSYCHOSOMATICS | • psychosomatics n. (Medicine) psychosomatic medicine (science). • PSYCHOSOMATICS n. the study of psychosomatic conditions. |
| SCHOOLMISTRESSY | • schoolmistressy adj. Resembling or characteristic of a schoolmistress. • SCHOOLMISTRESSY adj. like a schoolmistress, prim. |
| SYMPHYSEOTOMIES | • SYMPHYSEOTOMY n. the operation of cutting through the pubic symphysis, also SYMPHYSIOTOMY. |
| SYMPHYSIOTOMIES | • symphysiotomies n. Plural of symphysiotomy. • SYMPHYSIOTOMY n. the operation of cutting through the pubic symphysis, also SYMPHYSEOTOMY. |
| TOMBOYISHNESSES | • TOMBOYISHNESS n. the state of being tomboyish. |