To spill or pour out, because of a leak.
To be revealed (especially, of information intended to be kept secret).
To cause to take physical form, or to cause an object to appear.
To take physical form, to appear seemingly from nowhere.
To regard as matter; to consider or explain by the laws or principles which are appropriate to matter.
To perform materialization; to save the results of a database query as a temporary table or materialized view.