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 his math notes, John wrote several deltas to represent change in values. "ジョンは数学のノートで、値の変化を表すためにいくつかのデルタを書きました。languagewritingChat 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geographyenvironmentChat 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."To spell out his name correctly, the student used the deltas of the ICAO alphabet. "彼の名前を正しく綴るために、学生はICAOアルファベットのデルタを使用しました。languagephoneticswordcommunicationChat with AIVocabulary GamePractice Reading
noun🔗Share記号ΔThe symbol Δ."In math class, we learned that "deltas" are often used to represent changes in values. "数学の授業で、「デルタ」は値の変化を表すために使われることが多いと学びました。mathsignChat with AIVocabulary GamePractice Reading
noun🔗Share小さくても注目に値する影響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。outcomemathscienceChat 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。technologycomputinginternettechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share変化、差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）。mathscienceamountstatisticsChat with AIVocabulary GamePractice Reading
noun🔗Share円弧の中心で張られる角度The angle subtended at the center of a circular arc."Example Sentence: "To accurately measure the pizza slices, the math student calculated the deltas formed by each arc of crust." "ピザのスライスを正確に測定するために、数学の学生は各クラストの弧によって形成される角度を計算しました。mathtechnicalsciencephysicsdegreeChat 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."The delivery company uses deltas to transport packages through the crowded city streets because they are stable and can carry heavy loads. "配達会社は、安定していて重い荷物を運ぶことができるため、混雑した都市の通りで荷物を運ぶために、前輪が1つ、後輪が2つのカーゴバイクを使用しています。vehiclemachineChat with AIVocabulary GamePractice Reading
noun🔗Shareデルタ結線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; デルタ結線; デルタ電流systemelectronicsenergytechnologyelectrictechnicalphysicsmachineChat with AIVocabulary GamePractice Reading
noun🔗Share原資産価格に対するオプション価値の変化率The rate of change in an option value with respect to the underlying asset's price."A trader carefully watches the deltas of their options portfolio to understand how much profit or loss to expect if the underlying stock price moves by $1. "トレーダーは、原資産の株価が1ドル変動した場合に、どの程度の利益または損失が予想されるかを理解するために、オプションポートフォリオのデルタを注意深く観察します。businessfinanceassetvaluestatisticsChat with AIVocabulary GamePractice Reading
noun🔗Shareデルタ記号で示された、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 geologist analyzed the deltas of carbon-13 isotopes in the ancient sediment to determine the past climate. "地質学者は、過去の気候を決定するために、古代の堆積物中の炭素13同位体のデルタを分析した。chemistrygeologyphysicsscienceChat with AIVocabulary GamePractice Reading
noun🔗Share軍事部隊、連隊(U.S. Space Force) A military unit, nominally headed by a colonel, equivalent to a USAF operations wing, or an army regiment."In the Space Force, the newly established deltas are focused on specific mission areas like space surveillance and satellite communication. "宇宙軍では、新しく設立された軍事部隊は、宇宙監視や衛星通信などの特定の任務分野に焦点を当てています。militaryspaceorganizationgovernmentunitChat with AIVocabulary GamePractice Reading
