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- Dictionarymi·cro·or·gan·ism/ˌmīkrōˈôrɡəˌniz(ə)m/
noun
- 1. a microscopic organism, especially a bacterium, virus, or fungus.
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Apr 27, 2017 · A microorganism is a living thing that is too small to be seen with the naked eye. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite.
A microorganism is an organism (such as a bacterium or protozoan) of microscopic or ultramicroscopic size. Learn more about the word history, examples, and related terms of microorganism from Merriam-Webster dictionary.
Jul 28, 2021 · Definition. noun, plural: microorganisms. An organism that is microscopic or submicroscopic, which means it is too small to be seen by the unaided human eye. Supplement. Microorganisms were first observed by Anton van Leeuwenhoek in 1675 using a microscope of his own design.
An organism that can be seen only with the aid of a microscope and that typically consists of only a single cell. Microorganisms include bacteria, protozoans, and certain algae and fungi.
A microorganism, or microbe, is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells. The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from sixth century BC India.
A microorganism is a living thing that is too small to be seen without a microscope. Learn more about the types, characteristics and examples of microorganisms from the Cambridge Dictionary.
Jun 24, 2024 · Microbiology is the study of microorganisms, or microbes, which are generally minute simple life-forms that include bacteria, archaea, algae, fungi, protozoa, and viruses. Learn about the history, classification, and applications of microbes in this article from Britannica.
