Definition:
Compare heliotropism with other words:
away vs. heliotropism
heliotropism vs. negatively
heliotropism vs. towards
heliotropism vs. light
heliotropism vs. positively
heliotropism vs. influence
heliotropism vs. turning
heliotropism vs. plant
heliotropism vs. property
heliotropic vs. heliotropism
heliotrope vs. heliotropism