noun🔗Share現代ギリシャ文字の4番目の文字Δ, δThe fourth letter of the modern Greek alphabet Δ, δ."In math class today, we learned that the Greek letter delta is represented by the symbol Δ. "今日の数学の授業で、ギリシャ文字のデルタは記号Δで表されることを学びました。languagewordChat with AIVocabulary GamePractice Reading
noun🔗Share三角州A landform at the mouth of a river where it empties into a body of water."Nile Delta"ナイルデルタgeographygeologyenvironmentnatureChat with AIVocabulary GamePractice Reading
noun🔗ShareデルタThe letter D in the ICAO spelling alphabet, which assigns words to letters of the alphabet."When introducing himself, the new student used the delta in the ICAO spelling alphabet to spell his last name. "自己紹介の際、新しい学生は自分の姓を綴るために、ICAOスペルアルファベットのデルタを使用しました。phoneticswordlanguagecommunicationChat with AIVocabulary GamePractice Reading
noun🔗Share記号のΔThe symbol Δ."The delta symbol, Δ, represents the change in temperature. "デルタ記号Δは、温度の変化を表します。markmathChat with AIVocabulary GamePractice Reading
noun🔗Share小さくても注目に値する効果A small but noticeable effect. Compare epsilon."This will slow the main code path down, but only by delta."これはメインのコードパスを遅くしますが、その影響はわずかです。outcomeamountdegreeChat with AIVocabulary GamePractice Reading
noun🔗Shareデルタ、差分The set of differences between two versions of a file."When you update the file, the system will only save the deltas."ファイルを更新すると、システムは差分のみを保存します。computingtechnologytechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share変化、デルタA change in a quantity, likely from "d" for "difference"."ΔV - "delta vee"(change in velocity, used in rocketry and orbital mechanics)"ΔV - 「デルタ・ブイ」（速度の変化、ロケット工学と軌道力学で使用）mathsciencestatisticsamountnumberChat with AIVocabulary GamePractice Reading
noun🔗Share円弧の中心で subtended される角度The angle subtended at the center of a circular arc."The delta of the clock's hands was 90 degrees as the minute hand pointed to twelve. "時計の針のデルタは、長針が12を指したとき、90度でした。mathChat with AIVocabulary GamePractice Reading
noun🔗Share前輪が1つ、後輪が2つのカーゴバイクA type of cargo bike that has one wheel in front and two in back."My brother bought a new delta cargo bike to carry all the groceries home from the market. "兄は、市場から食料品をすべて家に運ぶために、前輪が1つ、後輪が2つの新しいカーゴバイクを買いました。vehiclemachineChat with AIVocabulary GamePractice Reading
noun🔗ShareデルタThe closed figure produced by connecting three coils or circuits successively, end for end, especially in a three-phase system."delta winding; delta connection; delta current"デルタ結線; デルタ接続; デルタ電流systemelectronicselectricenergytechnologyChat with AIVocabulary GamePractice Reading
noun🔗ShareデルタThe rate of change in an option value with respect to the underlying asset's price."The delta of the stock option is 0.75, meaning that for every dollar the stock price increases, the option value is expected to increase by 75 cents. "株式オプションのデルタは0.75で、これは株価が1ドル上昇するごとに、オプションの価値が75セント増加すると予想されることを意味します。businessfinancevalueassetChat with AIVocabulary GamePractice Reading
noun🔗Shareデルタ表記における、同位体の相対存在量を示す値。A value in delta notation indicating the relative abundances of isotopes."The delta values for carbon isotopes in the soil samples show a significant difference between the two locations. "土壌サンプル中の炭素同位体のデルタ値は、2つの場所間で有意な差を示しています。chemistryphysicselementChat with AIVocabulary GamePractice Reading
noun🔗Share軍事部隊(U.S. Space Force) A military unit, nominally headed by a colonel, equivalent to a USAF operations wing, or an army regiment."The delta squadron of the Space Force is responsible for monitoring satellite communications. "宇宙軍のデルタ飛行隊は、衛星通信の監視を担当しています。militarygovernmentorganizationunitspaceChat with AIVocabulary GamePractice Reading
