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单词 blue cap
释义

Definition of blue cap in English:

blue cap

noun ˌbluː ˈkap
  • 1Military slang (now historical). Originally: a soldier belonging to the Royal Madras Fusiliers; (later) a soldier belonging to the Royal Dublin Fusiliers.

  • 2Chiefly English regional. The cornflower, Centaurea cyanus. Now rare.

  • 3A bluish layer in a flame; specifically (Mining) a circle of bluish flame appearing above and around the wick of a safety lamp, indicating the presence of explosive gases. Compare "cap". Now rare.

Origin

Late 16th century (in an earlier sense). From blue + cap.

Definition of blue cap in US English:

blue cap

nounˌbluː ˈkap
  • 1Military slang (now historical). Originally: a soldier belonging to the Royal Madras Fusiliers; (later) a soldier belonging to the Royal Dublin Fusiliers.

  • 2Chiefly English regional. The cornflower, Centaurea cyanus. Now rare.

  • 3A bluish layer in a flame; specifically (Mining) a circle of bluish flame appearing above and around the wick of a safety lamp, indicating the presence of explosive gases. Compare "cap". Now rare.

Origin

Late 16th century (in an earlier sense). From blue + cap.

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更新时间:2024/11/8 22:32:10