Is “Chorion” a Scrabble word?
Yes
CHORION
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Chorion
noun
1.The protective and nutritive membrane in higher vertebrates that attaches the fetus to the uterus.
2.The outer case of an insect egg.
3.The outer membrane of seeds of plants.