phototropic

== English == === Etymology === From photo- +‎ -tropic. === Adjective === phototropic (comparative more phototropic, superlative most phototropic) Having a tendency to move in response to light. An animal or microbe that is positively phototropic will move toward light. One that is negatively phototropic will move away from light. ==== Derived terms ==== ==== Related terms ==== phototropism ==== Translations ==== === See also === phototaxic