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mad·re·por·ite | \ ˈma-drə-ˌpȯr-ˌīt 
\
\Definition of madreporite
: a perforated or porous body that is situated at the distal end of the stone canal in echinoderms
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Time Traveler for madreporite
The first known use of madreporite was in 1869
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