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delta SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 75264 】 【意味】 "[名詞] a low triangular area of alluvial deposits where a river divides before entering a larger body of water [例] the Mississippi River delta [例] the Nile delta [例] The delta is a beautiful place. [例] The delta is a very fertile area. [例] They went to the delta to see the birds. [意味] デルタ, 三角州, 三角洲 ; [上位語] formation, geological formation, alluvium, alluvial deposit, alluvial sediment, alluvion ; [同義語群] 09264803-n [名詞] the 4th letter of the Greek alphabet [例] He could not remember the Greek letter delta. [意味] デルタ, 三角州, 三角洲 ; [上位語] alphabetic character, letter, letter of the alphabet ; [同義語群] 06834458-n [名詞] an object shaped like an equilateral triangle [例] The delta is a symbol of the fraternity. [例] They could not find the delta of the river. [意味] 三角形, 三角形をしたもの, 三角形地帯, 三角形の底角, 三角形の底辺の長さ ; [上位語] equilateral triangle, equiangular triangle ; [同義語群] 13880102-n"