Generally, over a period of several generations, the gene pool tends to become more and more homogeneous.
Over the course of five decades the music expressed the desires and anxieties of several generations.
In her Harvard admissions essay, she had written, "The work of several generations is at stake".
Knussen's programs, concentrating on British and American composers of several generations, emphasized craftsmanship above all.
The conflicts of several generations are resolved in a cozy, saccharine conclusion.
It requires following a population over the course of several generations.
A Times reporter's deeply researched chronicle of several generations of Mrs. Obama's family.
The household is usually made up of several generations, including married sons and their families.
Again, this is bloody and well-trampled ground, littered with the bodies of several generations of historians.
Her extended family of several generations and her many friends will deeply miss her wisdom, intellect and active energy.
Mr. Arafat, though, could not break free of several generations of Palestinian ideology about the sanctity of sovereignty over Jerusalem.
