Proper noun
McMurdo Sound
(geography) A sound of Ross Island in Antarctica.
Brunt said there is a region in the extreme southwest corner of McMurdo Sound where it appears the multi-year sea ice had been trapped by the Dailey Islands and McMurdo Ice Shelf. Source: Internet
Raw sewage went directly into McMurdo Sound. Source: Internet
The team’s sedimentologists, who describe the core’s characteristics, identified more than 60 cycles when ice sheets or glaciers advanced and retreated across McMurdo Sound. Source: Internet