kị khí
Definition
Adjective:
- Anaerobic: Describes organisms, environments, or biological processes that do not require free oxygen (O₂) to live, grow, or function. These entities are often inhibited or killed by the presence of oxygen.
- Oxygen-intolerant: Refers specifically to microbes that cannot survive in the presence of oxygen.
Noun:
- Anaerobic condition / Anaerobe: The state or environment devoid of free oxygen, or an organism that lives in such a condition.
Usage Examples
- Adjective:
- Vi khuẩn kị khí gây bệnh này. (Anaerobic bacteria cause this disease.)
- Quá trình phân hủy kị khí tạo ra khí metan. (The anaerobic decomposition process produces methane gas.)
- Noun:
- Môi trường này là kị khí. (This environment is an anaerobic one.)
- Đây là một loại kị khí bắt buộc. (This is an obligate anaerobe.)
Advanced Usage
"Kị khí bắt buộc" (obligate anaerobe): An organism that cannot survive in the presence of oxygen and is often poisoned by it.
- Clostridium botulinum là một vi khuẩn kị khí bắt buộc. (Clostridium botulinum is an obligate anaerobic bacterium.)
"Kị khí tùy nghi" (facultative anaerobe): An organism that can grow with or without oxygen, switching between aerobic and anaerobic metabolism.
- Nấm men là một ví dụ về sinh vật kị khí tùy nghi. (Yeast is an example of a facultative anaerobe.)
Variants and Related Words
Sống kị khí (v): To live anaerobically.
- Nhiều vi sinh vật sống kị khí trong ruột. (Many microorganisms live anaerobically in the gut.)
Điều kiện kị khí (n): Anaerobic condition.
- Chất thải được xử lý trong điều kiện kị khí. (Waste is treated under anaerobic conditions.)
Synonyms
- Anaerobic: Oxygen-free, anoxic (specifically for environments).
- Anaerobe: Anaerobic organism.
Related Scientific Terms
- Hiếu khí (aerobic): The antonym, meaning requiring free oxygen.
- Lên men (fermentation): A common anaerobic metabolic process.
- Kỵ khí: An alternative, less common spelling with the same meaning.