1. in a manner relating to or exhibiting phototropism; in response to light direction or intensity
Usage: technical/scientific; commonly used in botany and biology

Examples

• The plant grew phototropically toward the window where sunlight was strongest.
• Seedlings respond phototropically by bending their stems toward the light source.
• The organism moved phototropically across the petri dish in response to the lamp.
• Roots and shoots behave phototropically in opposite directions relative to light.
• The fungal hyphae extended phototropically away from the dark corner of the chamber.