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Webster 1913 Edition
Zoochlorella
‖
Zoˊo-chlo-rel′la
,Noun.
 [NL., dim. from Gr. 
ζῶ,ον 
an animal + [GREEK] green.] (Zool.) 
One of the small green granulelike bodies found in the interior of certain stentors, hydras, and other invertebrates.