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Webster's New World College Dictionary » infusorian
infusorian
infusorian definition
in·fu·so·rian (-ən)
noun
- any of a former large group (Infusoria) of microscopic animals found in infusions of decayed organic matter and in stagnant water
- any of a former class (Infusoria) of protozoans found in most water, characterized by cilia which permit free movement, as paramecia or stentors
Etymology: < ModL (animalcula infusoria), neut. pl. of infusorius, pertaining to infusions (< L infusus: see infuse) + -an
adjective
of this group or class
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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