Etymology

ofatumumab

O1F4A1T1U1M3U1M3A1B3

Today it means: A human monoclonal antibody targeting CD20, used to treat multiple sclerosis and certain types of chronic lymphocytic leukemia. Full definition →

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The story

From -tum- (“tumor”) + -umab (“human monoclonal antibody”).

Etymology from Wiktionary, CC BY-SA 4.0.