Meaning & use
Heliotropism
Last updated
The growth or movement of a plant in response to the direction of sunlight.
See it in a sentence
Sunflowers are famous for their heliotropism, turning to face the sun throughout the day.
The biology class conducted an experiment to observe heliotropism in seedlings.
A note on using this word
From Greek 'helios' (sun) and 'trope' (turning); closely related to the broader term phototropism.
Words with a similar meaning
phototropism
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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