ばいまし

倍増し
doubling

* * *

ばいまし【倍増し】

doubling.

●倍増しにする double 《the wages》

・倍増しになる be doubled; double; become twice as many [much] as….

●1 等料金は 2 等の倍増しです. The first-class fare is double the second-class.