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polynia [pə(u)'lɪnjə] n stresses
Gruzovik	продушина (= полынья [space of open water in the middle of ice])
O&G, sahk.r.	заприпайная полынья
russ.lang.	полынья
"POLYNIA" n
torped.	"ПОЛЫНЬЯ" (режим работы торпеды, (polynia is the unfrozen patch of water in the midst of ice) - blasting of the ice for surfacing of the submarine)

polynia: 3 phrases in 2 subjects

Nautical	1
Oceanography & oceanology	2