| CRYPTOPHYTES | • cryptophytes n. Plural of cryptophyte. • CRYPTOPHYTE n. any perennial plant that bears its buds below the soil or water surface. |
| EPIPHYTOTICS | • EPIPHYTOTIC n. a sudden outbreak of plant disease over extended geographical area. |
| PETTICHAPSES | • PETTICHAPS n. (dialect) the garden warbler. |
| 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. |
| PHOTOTROPIES | • PHOTOTROPY n. change of colour due to wavelength of incident light. |
| PHOTOTYPESET | • phototypeset v. (Transitive) To typeset by a phototypesetting process. • PHOTOTYPESET v. to set (type matter) by phototypesetting. |
| PHREATOPHYTE | • phreatophyte n. (Biology) Any plant, typically living in deserts, that obtains its water from long taproots that reach… • PHREATOPHYTE n. a plant with a deep root system that draws its water supply from near the water table. |
| PHYTOTHERAPY | • phytotherapy n. (Medicine) The use of plant extracts for medical purposes. • PHYTOTHERAPY n. the treatment of the diseases of plants. |
| PROTOPATHIES | • PROTOPATHY n. first or direct experience. |
| PTERIDOPHYTE | • pteridophyte n. Any plant of the division Pteridophyta, of simple vascular plants that reproduce via spores rather than… • PTERIDOPHYTE n. the general name for the ferns and their allies. |
| TRIPHOSPHATE | • triphosphate n. (Chemistry) Any salt or ester containing three phosphate groups. • triphosphate n. (Chemistry) Any salt or ester of triphosphoric acid. • TRIPHOSPHATE n. a salt or acid that contains three phosphate groups. |
| TRYPTOPHANES | • tryptophanes n. Plural of tryptophane. • TRYPTOPHANE n. an essential amino acid, also TRYPTOPHAN. |