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 the host to …

MICROBIAL definition: 1. relating to microbes (= very small living things, especially ones that cause disease): 2…. Learn more.

Microbes are essential tools in biology as model organisms and have been put to use in biological warfare and bioterrorism. Microbes are a vital component of fertile soil. In the human body, …

Oct 13, 2025 · The organisms that constitute the microbial world are characterized as either prokaryotes or eukaryotes; all bacteria are prokaryotic—that is, single-celled organisms without a membrane …

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

A minute life form; a microorganism, especially a bacterium that causes disease. Not in technical use. mi·cro′bi·al , mi·cro′bic adj. American Heritage®...

Something that is microbial is related to or made up of tiny organisms that are too small to be seen with the naked eye, such as bacteria or viruses. A microbial infection is caused by such life forms.

Microbial means relating to or caused by microbes..... Click for English pronunciations, examples sentences, video.

Relating to microorganisms and their activities, including bacteria, archaea, fungi, protozoa and viruses. The adjective “ microbial ” refers to anything associated with microscopic life forms.

Jul 31, 2025 · Microbial life encompasses organisms too small to be seen without a microscope, present across Earth’s diverse environments. These microscopic entities exist in virtually every corner of the …