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gas·tro·trich | \ ˈga-strə-ˌtrik 
\
\Definition of gastrotrich
: any of a phylum (Gastrotricha) of minute aquatic pseudocoelomate animals that usually have a spiny or scaly cuticle and cilia on the ventral surface
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Time Traveler for gastrotrich
The first known use of gastrotrich was in 1940
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