| HAPTOTROPISM | • haptotropism n. (Biology) The movement of parts of a plant (especially tendrils) in response to a touch stimulus. • HAPTOTROPISM n. curving in response to touch, as a tendril. |
| PHONOTYPISTS | • phonotypists n. Plural of phonotypist. • PHONOTYPIST n. one who practises phonotypy. |
| PHOTOPRODUCT | • photoproduct n. (Chemistry) Any product of a photochemical reaction. • PHOTOPRODUCT n. a product of a photochemical reaction. |
| PHOTOTHERAPY | • phototherapy n. The use of light to treat disorders of the skin, and certain mood disorders. • PHOTOTHERAPY n. the treatment of disease by light. |
| PHOTOTROPHIC | • phototrophic adj. (Biology) That exhibits phototrophy. • PHOTOTROPHIC adj. relating to phototropism, movement directed by light. |
| PHOTOTROPIES | • PHOTOTROPY n. change of colour due to wavelength of incident light. |
| PHOTOTROPISM | • phototropism n. (Biology) The movement of a plant towards or away from light. • PHOTOTROPISM n. movement directed by light. |
| PHOTOTYPESET | • phototypeset v. (Transitive) To typeset by a phototypesetting process. • PHOTOTYPESET v. to set (type matter) by phototypesetting. |
| POSTHOSPITAL | • posthospital adj. After a period spent in hospital. • POSTHOSPITAL adj. taking place after a stay in hospital. |
| POSTHYPNOTIC | • posthypnotic adj. After being hypnotized. • POSTHYPNOTIC adj. taking place after hypnosis. |
| PROTOPATHIES | • PROTOPATHY n. first or direct experience. |
| PROTOTROPHIC | • prototrophic adj. (Biology) Of or pertaining to a prototroph or to prototrophy. • PROTOTROPHIC adj. of bacteria, feeding directly on uncombined elements. |
| TROPHOTROPIC | • trophotropic adj. Relating to trophotropy. • TROPHOTROPIC adj. related to trophotropism, direction of growth by nutritional factors. |