bubble line
 n.— «There was more than a glimmer of hope this year that Congress would finally ante up $5.5 million needed for a planned oxygen system to improve striped bass fishing at Thurmond Lake.…The proposed oxygen system, which anglers refer to as a “bubble line” that releases pure oxygen along miles of submerged pipes perforated with tiny holes, was designed to offer opportunities for striped bass to congregate in the Modoc area.» —“Hunting accidents are on the decline thus far” by Rob Pavey Augusta Chronicle (Georgia) Dec. 24, 2006. (source: Double-Tongued Dictionary)

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