Trough

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

Quick facts

See also trow.

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