slipping

1. gerundparticiplepresentpresent participle and gerund of slip

plural slippings

1. The act of something that slips; a slip; a skidding or sudden loosening motion.

   slippings and slidings

   2 more examples

   Experiments on steep inclines in the United States showed that washing the rails with a detergent to remove oil and grease resulted in a marked improvement; but conditioning the rails with a special neutralising chemical completely eliminated slipping on a bank on which it was so common as to necessitate restriction of trainloads.

   1956 May, “Eliminating Slipping of Locomotives”, in Railway Magazine, page 280

   The "King" responded well to this treatment and would have maintained 60 m.p.h. up the steepest part had it not been for a brief bout of slipping, which was quickly corrected by Driver Bailes ("Autumn leaves", he remarked laconically).

   1960 February, R. C. Riley, “The London-Birmingham services - Part, Present and Future”, in Trains Illustrated, page 105