Microbes: meaning, definitions and examples

This is a general term used to describe tiny living organisms that can't be seen with the naked eye. It includes bacteria, viruses, fungi, and protozoa. Suitable for scientific discussions.

• Scientists discovered new microbes in the deep ocean
• Different microbes play different roles in our ecosystem

A formal term that describes any microscopic organism, including bacteria, fungi, and viruses. It is often used in scientific and academic contexts.

• Microorganisms are used in biotechnology to produce medicines
• Studying microorganisms helps us understand biodiversity better

This term has a more negative connotation and is commonly used in everyday language to refer to harmful microorganisms that cause diseases. Suitable for informal conversations, especially about hygiene and health.

• Wash your hands regularly to keep germs away
• Germs can spread quickly in crowded places

Used specifically to describe single-celled microorganisms. This term is often used in healthcare, biology, and everyday contexts to discuss both harmful and beneficial bacteria.

• The doctor prescribed antibiotics to kill the harmful bacteria
• Yogurt contains beneficial bacteria that help digestion

Used often in scientific or educational contexts to refer to small organisms, including bacteria, viruses, and fungi.

• Scientists are studying microbes to understand their role in human health.
• Microbes can be found in almost every environment on Earth.

A broad and formal term typically used in scientific contexts to encompass all microscopic organisms, including bacteria, viruses, and fungi.

• Microorganisms play a crucial role in decomposing organic matter.
• Scientists are researching microorganisms to develop new antibiotics.

Commonly used in everyday language, often with a negative connotation, to refer to bacteria or viruses that cause illnesses.

• Wash your hands to avoid spreading germs.
• Children are often taught about the dangers of germs in school.

A more informal term that often refers to bacteria and viruses, typically in everyday conversation. It can also imply a small fault in a system, especially in computing.

• I caught a nasty bug that's going around at work.
• The developer is fixing a bug in the software.