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blue hole

noun

Definitions

  1. A submarine cave or sinkhole, a roughly circular, steep-walled depression that is…

    A submarine cave or sinkhole, a roughly circular, steep-walled depression that is typically anoxic below a certain depth.

The neighborhood

Vish — recursive loop

No curated loop yet for blue hole. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA