Is “Mono” a Scrabble word?
Yes
MONO
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 Mono
noun
1.A viral infection marked by extreme fatigue, high fever, and swollen lymph nodes.
Synonyms: Pfeiffer's disease, Pfeiffer's glandular fever, glandular fever, infectious mononucleosis, kissing disease, mono