STEAM

[noun] [U] - the hot gas that is produced when water boilsWe put the bowl of water on the fire and soon it was producing lots of steam.Steam can be used to provide power.steam turbinesa steam engine/locomotivethe age of steam (= the period when steam provided power for railways and factories)The pump is driven by steam.To get/pick up steam is to start working much more effectively.After the first three months, the fundraising project really started to get up steam.If you do something under your own steam, you do it without help.When the fitness class closed, we decided to do some training under our own steam.A steam iron is an electrical iron that has water inside and produces steam to help make clothes smooth.Steam shovel is US for excavator.See at excavate.