punji
plural of poppism
(botany) A blue pigment supposed by some to be one of the component parts of chlorophyll.
(chemistry) The measurement of the hardness of water by titration with a soap solution.
A sharpened stick, often made of bamboo and covered in feces or other biohazardous material, set in the ground to wound or impale enemy soldiers.
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DiQt（ディクト）
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