tạp khuẩn
Definition
- Noun:
- Contaminant bacteria / Contaminating bacteria: A general term for various, often unspecified or mixed, types of bacteria that contaminate a substance, environment, or culture. They are typically undesirable and may interfere with processes or cause spoilage.
- Mixed bacteria / Heterogeneous bacteria: Refers to a non-pure, assorted collection of bacterial types, as opposed to a single, identified strain.
Usage Examples
- Noun:
- Mẫu nước này chứa nhiều tạp khuẩn. (This water sample contains many contaminant bacteria.)
- Phải tiệt trùng dụng cụ để loại bỏ tạp khuẩn. (The instruments must be sterilized to eliminate contaminating bacteria.)
- Nuôi cấy bị hỏng do nhiễm tạp khuẩn. (The culture was ruined due to contamination by mixed bacteria.)
Advanced Usage
- In laboratory and medical contexts, "tạp khuẩn" often refers to contaminants that compromise the purity of a bacterial culture or a sterile sample.
- In food safety, it can refer to the general, often harmful, bacterial flora that can cause food to spoil or become unsafe.
Variants and Related Words
- Nhiễm khuẩn (n/v): infection; to become infected with bacteria.
- Vết thương có nguy cơ nhiễm khuẩn. (The wound is at risk of bacterial infection.)
- Vi khuẩn (n): bacteria (the general, neutral term).
- Vi khuẩn có thể có lợi hoặc có hại. (Bacteria can be beneficial or harmful.)
- Vi khuẩn gây bệnh (n): pathogenic bacteria.
- Salmonella là một loại vi khuẩn gây bệnh. (Salmonella is a type of pathogenic bacteria.)
Synonyms
- Contaminant bacteria
- Microbial contaminants
- Mixed bacterial flora
Related Terms
- Tạp chất (n): impurities (often non-living particles, but can be used more broadly).
- Thuốc được tinh chế để loại bỏ tạp chất. (The medicine is purified to remove impurities.)
- Nhiễm tạp (v/n): to become contaminated; contamination.
- Quy trình này dễ bị nhiễm tạp. (This process is prone to contamination.)