English version

trough in Meteorology topic

From Longman Dictionary of Contemporary Englishtroughtrough /trɒf $ trɒːf/ noun [countable]  1 containerTA a long narrow open container that holds water or food for animals a horse trough2 low pointPE a short period of low activity, low prices etc opp peaktrough of The graph showed peaks and troughs of activity.3 wavesDN the hollow area between two waves4 weather technicalHEM a long area of fairly low pressure between two areas of high pressure5 have your nose/snout in the trough
Examples from the Corpus
troughThe field was a marsh, the track a trough.The allocation of labour to activities can be plotted as a histogram which will invariably show peaks and troughs.the peaks and troughs of economic cyclesThen suddenly he thrust his head between his owner's legs and hoisted him into the trough with a resounding splash!About half a mile upstream the trough was traversed by the Purton breakwater.Scattered here and there are bathtubs, taking on new lives as water troughs.In a wave trough I caught a glimpse of a coral head to port: a little too close for comfort.There was a lot of gravel to walk across with troughs and wheelbarrows with snowdrops and crocuses in.