Madreporite is a 11 letter English word. It's valid Words with friends word worth 18 points.
You can make 962 anagrams from letters in madreporite (adeeimoprrt).
First recorded in 1795-1805; madrepore + -ite1
Note on the aboral surface of the disk a small striated calcareous plate, the madreporite or madreporic plate.