Слово "stratum". Англо-русский словарь Мюллера

But this was concrete evidence; it was a fragment of the abolished past, like a fossil bone which turns up in the wrong stratum and destroys a geological theory.

The woman on the bed was no more than a hard stratum of marble they had reached.

Rachel crouched down and could indeed see that the tube was made up of what appeared to be strata of ice with subtle differences in luminosity and clarity.

I don’t mean that he had traded on his phantom millions, but he had deliberately given Daisy a sense of security; he let her believe that he was a person from much the same stratum as herself—that he was fully able to take care of her.

These Mr. Know-it-alls are occasionally, even quite frequently, to be met with in a certain social stratum.

It was not a bright or splendid summer evening, though fair and soft: the haymakers were at work all along the road; and the sky, though far from cloudless, was such as promised well for the future: its blue—where blue was visible—was mild and settled, and its cloud strata high and thin.