Dee

Japanese: ディー

〘Noun〙 (D, d)⸨day⸩① The fourth letter of the English alphabet. ② (D) The Roman numeral 500. ③ (d) Abbreviation for the unit deci. ④ (D) In music, the English name for the key of D. ⑤ The atomic symbol for deuterium. ⑥ The abbreviation for optical dextrorotation in organic compounds. ⑦ The abbreviation for the three-dimensional structure of organic compounds. ⑧ (d) In mathematics, the symbol for the fourth known number after a, b, and c. ⑨ (D) The symbol for a steam locomotive, a freight locomotive with four driving axles. ※The Boiler-Fired Steam Locomotive (1937) by Nakano Shigeharu 5 "Locomotives are C or D, right? Electric locomotives are ED." ⑩ (D) In the classification of railway vehicles, the symbol for diesel cars and diesel locomotives.

Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information

Japanese:

〘名〙 (D, d)⸨デー⸩① 英語のアルファベットの第四字。② (Ｄ) ローマ数字の五〇〇。③ (ｄ) 単位のデシの略号。④ (Ｄ) 音楽で、ニ音・ニ調の英語名。⑤ 重水素を表わす元素記号。⑥ 有機化合物の、光学的右旋性を表わす略記号。⑦ 有機化合物の、立体構造の系統を表わす略記号。⑧ (ｄ) 数学で、a,b,c に次ぐ第四の既知数を表わす記号。⑨ (Ｄ) 蒸気機関車の記号で、動輪軸が四軸の貨物用機関車を示す。※汽車の罐焚き（1937）〈中野重治〉五「機関車がＣとかＤとかなったでしょう？電気機関車の方はＥＤとか」⑩ (Ｄ) 鉄道車両の分類で、ディーゼルカー、ディーゼル機関車を表わす記号。

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