세균
Translation: bacteria
Definition:
‘세균’ is the Korean noun referring to microscopic, unicellular organisms belonging to the domain Bacteria. These organisms are characterized by the absence of a membrane-bound nucleus and organelles, and they reproduce primarily through binary fission.
Usage in Korean:
- “세균 감염” (bacterial infection) – an infection caused by pathogenic bacteria.
- “세균 배양” (bacterial culture) – the process of growing bacteria in a laboratory setting.
- “세균 검사” (bacterial test) – diagnostic procedures to detect the presence of bacteria.
Etymology:
The term is a compound of the Sino‑Korean elements ‘세(細)’, meaning “small” or “fine”, and ‘균(菌)’, meaning “microorganism, fungus, or bacterium”. It originally denoted “microscopic organisms” and has been used in modern Korean to specifically refer to bacteria.
Relevant scientific context:
- Bacteria constitute one of the three domains of life, alongside Archaea and Eukarya.
- They play essential roles in ecosystems (e.g., nitrogen fixation, decomposition) and have applications in biotechnology, medicine, and industry.
All information provided is based on established linguistic and scientific references.
