- windhole
- мин.• вентилационна изработка
English-Bulgarian polytechnical dictionary . 2013.
windhole
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windhole — ˈ ̷ ̷ˌ ̷ ̷ noun 1. : a ventilating shaft in a mine 2. : a hole in the foot of an organ pipe for admitting wind 3. : a hole made by the wind sandstone formations tooled by centuries of wind and weather, pockmarked with windholes and caves American … Useful english dictionary
