rain crust

rain crust

[′rān ‚krəst]
(hydrology)
A type of snow crust, formed by refreezing after surface snow crystals have been melted and wetted by liquid precipitation; composed of individual ice particles such as firn.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
3 When water refreezes, a slippery layer called a sun or rain crust forms.