steam devil

== English == === Alternative forms === steamdevil, steam-devil === Etymology === From steam +‎ devil. From being a whirlwind (“devil”) formed from mist (“steam”). Patterned after dust devil. === Noun === steam devil (plural steam devils) A spiraling wind caused by rising thermals off a warm body of water's surface that has been enveloped by a layer of very cold air, which also causes the humidity in the thermal to turn to mist, highlighting the whirl of the column. The equivalent of a dustdevil over water. ==== Coordinate terms ==== ==== Related terms ====