Microorganism - Meaning, Definition & English Examples
A microorganism is a tiny living organism, such as bacteria, viruses, or fungi, that is too small to be seen without a microscope. They are found everywhere and can be beneficial or harmful.
Definition:
A microscopic organism, such as a bacterium, virus, or fungus, often invisible to the naked eye.
Synonyms:
microbe, germ, bacterium, virus
Part of Speech:
noun
Antonyms:
macroorganism, multicellular organism
Common Collocations:
harmful microorganisms, beneficial microorganisms, study microorganisms
Derivatives:
microbiological, microbiologist
Usage Tips:
Use "microorganism" when referring to tiny living things; avoid for visible organisms like insects or plants.
Common Phrases:
invisible microorganisms, fight microorganisms, beneficial microorganisms
Etymology:
From Greek "mikros" (small) + "organon" (tool or instrument), coined in the 19th century for tiny life forms.
Examples:
- 1. Microorganisms thrive in damp environments.
- 2. Scientists study microorganisms under microscopes.
- 3. Some microorganisms cause diseases in humans.
- 4. Yogurt contains beneficial microorganisms for digestion.