1. of or relating to the tendency of an organism or plant to turn or grow in response to sunlight
Usage: biology term; often used in botany
2. turning or moving toward the sun
Usage: general usage

Examples

• Sunflowers exhibit heliotropic behavior, tracking the sun across the sky during the day.
• The heliotropic movement of young plants helps them maximize light exposure for photosynthesis.
• Many insects display heliotropic responses, orienting themselves toward light sources.
• The heliotropic properties of certain algae allow them to position themselves optimally in water.
• Researchers study heliotropic mechanisms to understand how plants sense and respond to light.
• The flower's heliotropic nature makes it turn from east to west as the sun moves.