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As a noun marble

is (uncountable) a rock of crystalline limestone.

As a verb marble

is to cause (something to have) the streaked or swirled appearance of certain types of marble, for example by mixing viscous ingredients incompletely, or by applying paint or other colorants unevenly.

As an adjective marble

is made of, or resembling, marble.

As a proper noun mable is

, a spelling variant of mabel.