delta

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Letters & punctuation, Geography, Geology

del·ta /ˈdeltə/ noun [countable]  1. SLAthe fourth letter of the Greek alphabet 德尔塔〔希腊字母表的第四个字母，即 ∆，δ〕2  SGan area of low land where a river spreads into many smaller rivers near the sea 〔河口的〕三角洲 the Nile delta 尼罗河三角洲

Examples from the Corpus

delta• From these we get our word alphabet, delta, and gamma which gives us gamma rays.• They are called delta frames and, typically, may consist of no more than 5 kilobytes of data.• They change the angle of attack from acute within the central delta, to near neutral over the outer triangular sail panel.• Tom Pratt's stack of four deltas lofts his Pentax unit.• the Mississippi delta• He too migrated to Cairo to find a job, in his case from a village in the Nile delta.• Left: Typical of the rigid frame using glass fibre tubing on the earlier steerable deltas is seen on this example.• This allows him to supervise all the family's vast landholdings in the delta.From Longman Business Dictionarydeltadel‧ta /ˈdeltə/ noun [countable usually singular]1STATISTICS a change in an amount2FINANCE the relationship between a change in price of an option (=right to buy or sell shares etc) to the change in price of the underlying assetOrigin delta (1300-1400) Greek from a Semitic language

del·ta nounChineseSyllable  

letter Greek Business the alphabet Corpus fourth of the

delta
del‧ta /ˈdeltə/ noun [countable]1. the fourth letter of the Greek alphabet
2. an area of low land where a river spreads into many smaller rivers near the sea:
    the Nile delta
     

THESAURUS

   ▪ river a line of water that flows into the sea: They crossed the river by ferry. | the River Tweed | the Yangtze river
   ▪ tributary a stream or river that flows into a larger river: The River Trombetas is a tributary of the River Amazon.
   ▪ estuary the wide part of a river where it goes into the sea: plans to build a big new airport on the Thames estuary
   ▪ canal a long passage dug into the ground and filled with water, either for boats to travel along, or to take water to a place: Venice’s famous canals | a canal boat
   ▪ delta an area of low land where a river spreads into many smaller rivers near the sea: the Nile delta

deltaBrE /ˈdeltə/ 🔊NAmE /ˈdeltə/ 🔊 nounthe fourth letter of the Greek alphabet (Δ, δ) 希腊字母表的第 4 个字母an area of land, shaped like a triangle, where a river has split into several smaller rivers before entering the sea 三角洲◆the Nile Delta尼罗河三角洲