trough

The court heard that a section of the road before the crash site has a series of peaks and troughs with a warning sign in place to alert drivers.

Along one wall was a wooden trough for mixing the dough and metal buckets for adding water to the flour.

"Traditionally in adoption we've seen peaks and troughs, but I don't think we've ever seen the cost of living quite as it is at the moment," she said.

The chemicals market is currently in a trough, but oil companies have often tried to time investments to benefit from market recoveries.

The resulting 1978 masterpiece—sublimely detailed and marvelously strange in its presentation of unseen ridges, troughs and endless plains—reflected the newly established theories of plate tectonics and continental drift.