microorganism

noun
UK: /ˌmaɪ.krəʊˈɔː.ɡən.ɪ.zəm/
US: /ˌmaɪ.kroʊˈɔːr.ɡən.ɪ.zəm/

  1. A very small living thing, such as a bacterium, that can only be seen with a microscope.

    1. This microorganism is everywhere.
    2. Scientists are studying how this microorganism interacts with its host.

  2. A microscopic organism, including bacteria, protozoa, fungi, and viruses.

    1. The soil contains many microorganism.
    2. The experiment analyzes how microorganisms affect the rate of decomposition in compost.

Synonyms

microbe germ bacterium

Frequently Asked Questions

The word "microorganism" in English means: A very small living thing, such as a bacterium, that can only be seen with a microscope., A microscopic organism, including bacteria, protozoa, fungi, and viruses..

The phonetic transcription of "microorganism" is /ˌmaɪ.krəʊˈɔː.ɡən.ɪ.zəm/ in British English and /ˌmaɪ.kroʊˈɔːr.ɡən.ɪ.zəm/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "microorganism": microbe, germ, bacterium.

Example usage of "microorganism": "This microorganism is everywhere.". More examples on the page.