microorganism
noun
any organism too small to be viewed by the unaided eye, as bacteria, protozoa, and some fungi and algae.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This is not the first time that scientists received false hope about proof of extraterrestrial microorganic life.
From Salon ● Nov. 24, 2024