accretion


accretion

noun

Definition of ACCRETION

1
a mass or quantity that has piled up or that has been gathered over a period of time <a thick accretion of ice in a freezer that obviously had not been cleaned for some time>
2
something added (as by growth) <accretions of lime have thickened the cave's stalactites and stalagmites over the centuries>
Near Antonyms deduction, subtraction

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