0 an action or story that teaches you how or how not to act, or that clearly shows the facts of a situation, usually a bad one:
The essay is an object lesson, too, in what can be learned when gender analysis is applied to canonical male figures.
I commend this book - it provides an object lesson in collaboration at all levels.
The route by which this conclusion is reached is an object lesson in the art of theoretical rhetoric.
It is an object lesson that sympathy with one's subject matter need not distort scholarship but can enhance it.
This is a magisterial work and an object lesson in the use of these kinds of source material.
The entire story of the conquistadors is an object lesson in what can be achieved by taking colossal risks, by flaunting meagre resources in the face of unbelievable odds.
It can be done, and it is a great object lesson.
Perhaps in many ways it is not, but, nevertheless, it is a very remarkable object lesson to history.
