What is Trough?
{{enWiktionary}} A '''trough''' is a box-like drinking vessel for farm animals. Other senses of the word refer to things that are lower than their surroundings, like a trough: * [[Trough (physics)]] * [[Trough (meteorology)]]; * [[Trough (geology)]]; * a '''trough''' is also a noticeable and statistically recordable decline in an economy or graph. * in chemistry it can be a [[Langmuir Blodgett Trough]] See also [[trow]]. {{disambig}}