Is “Apothem” a Scrabble word?
Yes
APOTHEM
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 Apothem
/ˈæp.ə.θɛm/
noun
1.The perpendicular distance from the center of a circle to a chord of the same circle.
2.The distance from the center of a regular polygon perpendicular to one of its sides (a special case of the above).