pile-up

pile-upnoun

• 1

  A pile, a group of people or things which have piled up on one another, especially

  • Traffic was backed up for miles due to a twelve-car pile-up on the freeway earlier today.
  • Pinot was among those involved in the huge pile-up just as the race entered the final three kilometres. Grazes were visible under his torn clothing as he pedalled, with a face like thunder, to the finish line.
• 2

  American-footballball-gamesfootballA pile, a group of people or things which have piled up on one another, especially

• 3

  An accumulation that occurs over time, especially one which is not welcome.

  • If the supervisor deals with daily workload in an orderly way and does not put pressure on the employee about a pile-up of work, then the employee's perception of pressure will be reduced and the employee will not suffer from work pressure stress.
  • Evidently, the annealing in NO ambient results in a pile-up of nitrogen at the oxide/SiC interface and this results in a reduction of interface states near the conduction band edge of 4H-SiC [16,30,31].