a quantum leap

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a quantum leap

  (British & American) also a quantum jump (American)
a very important improvement or development in something (often + forward ) The election of a female president is a quantum leap forward for sexual equality. (often + from ) The food at Rockresorts is a quantum jump from the meals served at most Caribbean resorts.
See also: leap, quantum
References in periodicals archive ?
RDA consultants had proposed erection of railway steel bridge weighing 237 tonnes and on the other hand Railway has enhanced the quantum of bridge to 480 tones, therefore, cost of construction has registered a quantum jump increase from Rs 429.
Therefore, although we try very hard to create continuities between the chemical and the biological, there is not in fact a complete continuity; there is a jump, a quantum jump, you might say.
At each step, the electrons make a quantum jump between well defined energy levels.
According to quantum theory, the more frequently one tries to observe a system's state as the system is going through a quantum jump, the more likely the system will show up in its initial state.
They said of the TT900 S2S: "It represents a quantum jump in 2D gel image analysis.
Similar techniques allowed Dehmelt and his collaborators to observe a quantum jump in a single ion (SN: 6/21/86, p.
The ACH1000 offers pilots and operations a quantum jump in the cost/benefit of SATCOM," said Jon Gilbert, president of Blue Sky Network.