heliotaxis
Phototaxis related to the sunPhototaxis related to the sun.: Movement of an organism toward sunlight; positive heliotaxis.
Meaning
2 sensesPhototaxis related to the sun.
(uncountable)Movement of an organism toward sunlight; positive heliotaxis.
(uncountable)Movement of an organism away from sunlight; negative heliotaxis.
Origin
From helio- + taxis.From helio- + taxis.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable