he·​lio·​tax·​is ˌhē-lē-ō-ˈtak-səs How to pronounce heliotaxis (audio)
plural heliotaxes -ˌsēz How to pronounce heliotaxis (audio)
: a taxis in which sunlight is the directive factor

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Cite this Entry

“Heliotaxis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/heliotaxis. Accessed 24 Apr. 2024.

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