| PHYTOALEXINS | • phytoalexins n. Plural of phytoalexin. • PHYTOALEXIN n. any substance produced by a plant as a defence against disease. |
| PHYTOBENTHOS | • phytobenthos n. (Biology) benthic organisms that are plants or algae. • PHYTOBENTHOS n. plants living at the bottom of water collectively. |
| PHYTOCHEMIST | • phytochemist n. A person involved in phytochemistry. • PHYTOCHEMIST n. a chemist specialising in plant. |
| PHYTOCHROMES | • phytochromes n. Plural of phytochrome. • PHYTOCHROME n. a plant pigment which absorbs red or infrared rays and acts as an enzyme controlling growth. |
| PHYTOGENESES | • phytogeneses n. Plural of phytogenesis. • PHYTOGENESIS n. the origin and development of plants. |
| PHYTOGENESIS | • phytogenesis n. (Biology) The origin and evolutionary development of plants. • phytogenesis n. (Biology) The development of a plant from the embryo. • PHYTOGENESIS n. the origin and development of plants. |
| PHYTOGENETIC | • phytogenetic adj. Relating to phytogenesis. • PHYTOGENETIC adj. relating to phytogenesis, also PHYTOGENETICAL. |
| PHYTOGRAPHER | • phytographer n. One who studies phytography. • PHYTOGRAPHER n. a descriptive botanist. |
| PHYTOGRAPHIC | • PHYTOGRAPHIC adj. relating to phytogeography. |
| PHYTOHORMONE | • phytohormone n. A plant hormone. • PHYTOHORMONE n. a plant hormone, regulating growth. |
| PHYTOLOGICAL | • phytological adj. Of or relating to phytology. • PHYTOLOGICAL adj. relating to phytology, botany. |
| PHYTOLOGISTS | • phytologists n. Plural of phytologist. • PHYTOLOGIST n. a botanist. |
| PHYTONADIONE | • phytonadione n. (Biochemistry, pharmacology) Alternative form of phytomenadione. • PHYTONADIONE n. phylloquinone, vitamin K1. |
| PHYTOPHAGIES | • PHYTOPHAGY n. of insects, feeding on plants. |
| PHYTOPHAGOUS | • phytophagous adj. (Zoology) Feeding on plants, herbivorous. • PHYTOPHAGOUS adj. feeding on plants, also PHYTOPHAGIC. |
| PHYTOPLASMAS | • phytoplasmas n. Plural of phytoplasma. |
| PHYTOSTEROLS | • phytosterols n. Plural of phytosterol. • PHYTOSTEROL n. any of various sterols derived from plants. |
| PHYTOTHERAPY | • phytotherapy n. (Medicine) The use of plant extracts for medical purposes. • PHYTOTHERAPY n. the treatment of the diseases of plants. |
| PHYTOTOMISTS | • phytotomists n. Plural of phytotomist. • PHYTOTOMIST n. a student of phytotomy. |