hướng động

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The Vietnamese word "hướng động" refers to a biological phenomenon known as "tropism" in English. It describes how plants and some animals respond to external stimuli by growing or moving in a certain direction.

Easy Explanation:

• Definition: "Hướng động" is when a living thing moves or grows toward or away from something in its environment, like light, water, or gravity.
• Usage: You can use "hướng động" when talking about how plants bend toward sunlight (this is called "hướng động quang" or phototropism) or how roots grow down into the soil (this is called "hướng động trọng" or gravitropism).

Example:

1. In plants: "Cây hướng động về phía ánh sáng mặt trời."
   • Translation: "The plant grows toward the sunlight."

Advanced Usage:

In advanced contexts, "hướng động" can be used in scientific discussions about the different types of tropism, such as: - Hướng động quang (Phototropism): Growth toward light. - Hướng động nước (Hydrotropism): Growth toward moisture. - Hướng động trọng (Gravitropism): Growth in response to gravity.

Word Variants:

• Hướng động quang: Phototropism
• Hướng động trọng: Gravitropism
• Hướng động hóa: Chemotropism (growth in response to chemicals)

Different Meanings:

While "hướng động" primarily relates to biological movement and growth, in a broader context, it can also refer to any directional behavior in response to stimuli, not limited to just plants.

Synonyms:

There are not many direct synonyms for "hướng động," but related terms in the context of movement and response may include: - Phản xạ: Reflex (in animals) - Di chuyển: Movement (general term)

Summary:

In summary, "hướng động" describes how living organisms, particularly plants, respond to their environment by moving or growing in specific directions.

Academic

1. (thực) tropism