McMurdoan adjective 1noun 1forms 3 adjective1 •Of or relating to McMurdo Station, an American research base in Antarctica.In the corridors of McMurdo’s Crary Lab building (a research facility for the advancement of Antarctic science) there is a permanent exhibit showcasing titbits of McMurdoan scientific history. — 2014 noun1 •A researcher at McMurdo Station.Even the chance of seeing the sun was enough to draw a crowd from the ten winterover Kiwis and two hundred and fifty McMurdoans to the peak. — 2021 formsMcMurdoans · more McMurdoan · most McMurdoan