the.com/trough
The dip between life's waves, where pigs feast and hopes wait for their turn.
weather lowsMeteorologists call low-pressure dips troughs too
market dreadThe bottom of a recession bears this name
feeding originFrom Old English 'trog,' a hollowed log vessel
wave anatomyEvery crest demands an equal, opposite trough
sound wavesTroughs cancel crests, killing noise via interference