Definition

1. Noun (Botany):
   • Phototaxis: The movement or orientation of a plant or plant part in response to light. This is a scientific term describing a specific type of tropism (directional growth response) where light is the stimulus.

Usage Examples

• Noun:
  • Hiện tượng quang ứng động rõ ràng ở cây non khi chúng vươn về phía ánh sáng. (The phenomenon of phototaxis is clear in young plants as they grow toward the light.)
  • Nhà khoa học nghiên cứu quang ứng động ở thực vật. (The scientist studies phototaxis in plants.)

Advanced Usage

• This term is highly specialized and primarily used in academic, botanical, or biological contexts. It is not common in everyday conversation.

Variants and Related Words

• Tính hướng quang (n): A more general term for , often used interchangeably with in some contexts, though typically refers to growth, while can refer to movement.
• Ứng động (n): or ; a broader category of non-directional plant responses to stimuli (e.g., temperature, touch).

Synonyms

• Phototaxis: The direct English equivalent.
• Light-induced movement: A descriptive phrase for the phenomenon.

Notes

• Word Breakdown: The term is a compound noun from Vietnamese: (light), (response), and (movement). It directly translates to
• This is a precise scientific concept. Do not confuse it with quang hợp (), which is the process of converting light energy into chemical energy.