Microbe (noun)

A microorganism, especially a bacterium, virus, or fungus.

Origin:

From french microbe, from greek μῑκροβίος (mīkrobios) "small life", from μῑκρός (mīkros) "small" + βίος (bios) "life".

Examples:

1. The soil is teeming with microbes that play important roles in nutrient cycling.
2. The human gut is home to trillions of microbes that are essential for our health.
3. The scientist studied different kinds of microbes to understand how they affect the ecosystem.
4. Microbes are responsible for many fermented food and drink products like yogurt and beer.
5. The antibiotic killed the harmful microbes but also destroyed the beneficial ones.