brinicle
(engineering) A helical ridge formed around a cylinder, or a helical groove formed around the inner wall of a bore, used mostly on fasteners and their connection points.
plural of stylebook
A formation of frozen brine, occurring beneath sea ice and analogous to a stalactite.
Lacking a gloss (explanatory note). / Not glossed; without embellishment.
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DiQt（ディクト）
無料
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