infusorian

noun
in·​fu·​so·​ri·​an | \ ˈin-fyü-ˈzȯr-ē-ən How to pronounce infusorian (audio) , -ˈsȯr- How to pronounce infusorian (audio) \

Definition of infusorian

: any of a heterogeneous group of minute organisms found especially in water with decomposing organic matter especially : a ciliated protozoan

Other Words from infusorian

infusorian adjective

First Known Use of infusorian

1859, in the meaning defined above

History and Etymology for infusorian

ultimately from Latin infusus

Keep scrolling for more

Learn More about infusorian

Time Traveler for infusorian

Time Traveler

The first known use of infusorian was in 1859

See more words from the same year

Statistics for infusorian

Cite this Entry

“Infusorian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infusorian. Accessed 22 Sep. 2020.

Keep scrolling for more

More Definitions for infusorian

infusorian

noun
in·​fu·​so·​ri·​an | \ -ē-ən How to pronounce infusorian (audio) \

Medical Definition of infusorian

: any of a heterogeneous group of minute organisms found especially in water with decomposing organic matter especially : a ciliated protozoan

Other Words from infusorian

infusorian adjective

Comments on infusorian

What made you want to look up infusorian? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!