| PHOTOTROPE | • PHOTOTROPE n. a substance exhibiting phototropism, movement directed by light. | 
| PHOTOTROPH | • phototroph n. A photoautotroph. • PHOTOTROPH n. a plant which uses light to generate energy needed to absorb nutrients. | 
| PHOTOTROPY | • phototropy n. Phototropism. • PHOTOTROPY n. change of colour due to wavelength of incident light. | 
| PHOTOTROPES | • PHOTOTROPE n. a substance exhibiting phototropism, movement directed by light. | 
| PHOTOTROPHS | • phototrophs n. Plural of phototroph. • PHOTOTROPH n. a plant which uses light to generate energy needed to absorb nutrients. | 
| PHOTOTROPIC | • phototropic adj. Having a tendency to move in response to light. An animal or microbe that is positively phototropic… • PHOTOTROPIC adj. relating to phototropism, movement directed 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. | 
| DIAPHOTOTROPY | • DIAPHOTOTROPY n. the state of being diaphototropic, turning transversely to the light. | 
| PHOTOTROPISMS | • phototropisms n. Plural of phototropism. • PHOTOTROPISM n. movement directed by light. | 
| DIAPHOTOTROPIC | • DIAPHOTOTROPIC adj. diaheliotropic, turning transversely to the light. | 
| DIAPHOTOTROPIES | • DIAPHOTOTROPY n. the state of being diaphototropic, turning transversely to the light. | 
| DIAPHOTOTROPISM | • DIAPHOTOTROPISM n. the state of being diaphototropic, turning transversely to the light. | 
| PHOTOTROPICALLY | • phototropically adv. In a phototropic manner. • PHOTOTROPIC adv. relating to phototropism, movement directed by light. |