This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. 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.

adj. of or pertaining to phototropism; exhibiting phototropism; same as heliotropic.

Of, pertaining to, or exhibiting phototropism or phototropy.

"Shark Bay is notable for benthic 'living fossil' microbial communities, forming an expansive and wide variety of microbial mats, which are best developed in Hamelin Pool, giving the area the most significant assembly of phototropic microbial ecosystems in the world."

phototaxic   

phototropism   

heliotropic   

public-land    flip-chart    apperceptive    unattend    stelly