A microscopic organism, especially a bacterium, virus, or fungus.
- Brain abscess is a serious disorder that occurs when micro-organisms such as bacteria or fungi get into the brain, causing inflammation.
- At the same time bacteria, viruses and other disease-causing micro-organisms are also becoming more active.
- Many cases of food poisoning are caused by micro-organisms, including bacteria, viruses and moulds.
For editors and proofreaders
Line breaks: micro|organ¦ism
Definition of microorganism in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.