microbiology

noun

mi·​cro·​bi·​ol·​o·​gy ˌmī-krō-bī-ˈä-lə-jē 

: a branch of biology dealing with microscopic forms of life

microbiological

ˌmī-krō-ˌbī-ə-ˈlä-ji-kəl 

adjective

or less commonly microbiologic

ˌmī-krō-ˌbī-ə-ˈlä-jik 

microbiologically

ˌmī-krō-ˌbī-ə-ˈlä-ji-k(ə-)lē 

adverb

microbiologist

ˌmī-krō-bī-ˈä-lə-jist 

noun

Examples of microbiology in a Sentence

Recent Examples on the Web

In microbiology, a colonizer is an organism that multiplies without causing symptoms, immune responses or disease. — Hanna Wickes, Fort Worth Star-Telegram, 19 Oct. 2026

The microbiology professor overseeing both graduate students, Mark Gomelsky, said the accusations left him reeling. — Arkansas Online, 15 Oct. 2026

The initial alert instructed people to avoid the area near the chemistry and microbiology buildings because of police activity. — Christa Swanson, CBS News, 14 Oct. 2026

From soil to hospital ward Spores are not only a curiosity of soil microbiology. — Canan Karakoç, The Conversation, 28 Sep. 2026

Word History

Etymology

International Scientific Vocabulary

First Known Use

1880, in the meaning defined above

Rhymes for microbiology

• aetiology
• anthropology
• archaeology
• archeology
• audiology
• cardiology
• climatology
• cohomology
• cosmetology
• criminology
• demonology
• dermatology

Kids Definition

microbiology

noun

mi·​cro·​bi·​ol·​o·​gy ˌmī-krō-bī-ˈäl-ə-jē 

: a branch of biology concerned especially with microscopic forms of life (as bacteria, protozoans, and viruses)

microbiological

ˈmī-krō-ˌbī-ə-ˈläj-i-kəl 

adjective

also microbiologic

-ˈläj-ik 

microbiologically

-i-k(ə-)lē 

adverb

Medical Definition

microbiology

noun

mi·​cro·​bi·​ol·​o·​gy ˌmī-krō-bī-ˈäl-ə-jē 

plural microbiologies

: a branch of biology dealing especially with microorganisms (as bacteria and protozoans)

microbiological

ˈmī-krō-ˌbī-ə-ˈläj-i-kəl 

adjective

also microbiologic

-ˈläj-ik 

microbiological contamination

microbiological research

microbiologically

-i-k(ə-)lē 

adverb

microbiologically safe water