Is “Circumscription” a Scrabble word?
Yes
CIRCUMSCRIPTION
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 Circumscription
noun
1.The act of circumscribing or the quality of being circumscribed.
2.Anything that circumscribes or a circumscribed area.
3.The definition of what does and does not belong to a given taxon, from a particular taxonomic viewpoint or taxonomic system.
“The circumscription in the APG system of the family Malvaceae includes the former families Bombacaceae, Sterculiaceae and Tiliaceae.”