infusorian

Definition of Infusorian in English :

1. infusorian

any member of the subclass Infusoria

WordNet Lexical Database for English. Princeton University. 2010.

Infusorian

noun obsolete

1.

any of the microscopic organisms, such as protozoans and rotifers, found in infusions of organic material

2.

any member of the subclass Ciliata

ciliate (sense 3)

adjective

3.

of or relating to infusorians

noun

1.

any of a former large group (Infusoria) of microscopic animals found in infusions of decayed organic matter and in stagnant water

2.

any of a former class (Infusoria) of protozoans found in most water, characterized by cilia which permit free movement, as paramecia or stentors

adjective

3.

of this group or class