The immense accretion of flesh which had descended on her in middle life like a flood of lava on a doomed city had changed her from a plump active little woman with a neatly-turned foot and ankle into something as vast and august as a natural phenomenon.
There are no more uses of "accretion" in the book.
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They passed into a slightly more overgrown stretch of road, the kind that existed between two commercial areas and that gradually, by accretion, would be eliminated by another strip mall or auto parts store.
Alice Sebold -- The Lovely Bones
"We both know the figure for storm accretion," Hawat said.