Dictionary.com
definitions
  • synonyms

Infusoria

[in-fyoo-sawr-ee-uh, -sohr-]
See more synonyms for Infusoria on Thesaurus.com
plural noun
  1. protozoans of the phylum Ciliophora (or class Ciliata).
  2. (formerly) any of various microscopic organisms found in infusions of decaying organic matter.
Show More

Origin of Infusoria

1780–90; < New Latin, neuter plural of infūsōrius. See infuse, -ory1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for infusoria

Historical Examples

  • To-day we also passed a field of "Red Sea," confervæ or infusoria.

    Ranching, Sport and Travel

    Thomas Carson

  • With reference to their origin these organisms were called 'Infusoria.

  • These infusoria can only be distinguished by a most powerful microscope.

  • Infusoria and other unicellular animals multiply by division.

    The Beauties of Nature

    Sir John Lubbock

  • The presence of infusoria in immense numbers is one of the reasons for this.