trùng cỏ
Definition
- Noun:
- Infusorian: A microscopic, single-celled aquatic organism, typically found in infusions of decaying organic matter. This is the primary scientific meaning.
- Protozoan / Microorganism: Used more generally to refer to tiny, often simple, aquatic life forms observable under a microscope.
Usage Examples
- Noun:
- Dưới kính hiển vi, chúng tôi quan sát thấy nhiều trùng cỏ. (Under the microscope, we observed many infusorians.)
- Nước ao tù thường chứa đầy trùng cỏ. (Stagnant pond water is often full of microorganisms.)
Advanced Usage
- The term "trùng cỏ" is technical and primarily used in biological or educational contexts. In everyday conversation, Vietnamese speakers might use more general terms like vi sinh vật (microorganism) instead.
Variants and Related Words
- Trùng đế giày (n): Paramecium (a specific genus of infusorian).
- Trùng đế giày là một loại trùng cỏ thường được nghiên cứu trong sinh học. (Paramecium is a type of infusorian often studied in biology.)
Synonyms
- Infusorian
- Protozoan (specifically ciliate protozoans)
- Microscopic organism
Notes on Meaning
- The term directly translates to "grass insect" or "straw animalcule," reflecting historical scientific terminology for microscopic life found in infusions of hay or grass.
- It is a dated but still understood scientific term. The modern Vietnamese scientific term for many of these organisms is "trùng roi" (flagellate) or "động vật nguyên sinh" (protozoan).