Dirac string
(paleontology, archaic) Any fossil foraminifer of the family Rotaliidae, abundant in chalk formations.
plural of Mexicanism
A drug used to treat hepatitis infection
(physics) A hypothetical one-dimensional curve in space, stretching between two Dirac magnetic monopoles with opposite magnetic charges, or from one magnetic monopole out to infinity.
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DiQt（ディクト）
無料
★★★★★★★★★★
