Microbes, or microorganisms, include bacteria, protozoa, fungi, algae, amoebas, and slime molds. Many people think of microbes as simply the causes of disease, but every human is actually …

MICROBE definition: 1. a very small living thing, especially one that causes disease, that can only be seen with a…. Learn more.

A microorganism, or microbe, [a] 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 …

The "microbe" category includes microscopic plants. Most microscopic plants are counted among the “green algae” (a general term), and they live as single cells (sometimes with flagella) or …

Jun 16, 2022 · Microbe Definition What is a microbe? How do we define microbes? Microbes refer to microorganisms that cannot be seen by naked eyes but can only be seen under a …

Definition of microbe noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Dec 4, 2025 · microbiology, study of microorganisms, or microbes, a diverse group of generally minute simple life-forms that include bacteria, archaea, algae, fungi, protozoa, and viruses.

MICROBE definition: a microorganism, especially a pathogenic bacterium. See examples of microbe used in a sentence.

Microbes are microscopic organisms that exist in vast numbers all around us and within us. These tiny life forms play a profound role in sustaining life on Earth. They are ubiquitous, found in …

May 18, 2025 · Microbes, the tiny organisms that surround us everywhere, play crucial roles in our health, environment, and even the planet’s history. Understanding what microbes are is …