Able to be rewritten, or written again.(adjective)
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Use "rewritable" in a sentence
"Titanium oxide’s market price is about one-hundredth of the rare element — germanium-antimony-tellurium — that is currently used in rewritable Blu-ray discs and DVDs, Ohkoshi said."
"Delving into the lives of the people who would make the conscious choice to become a 'rewritable' personality holds some interesting promise, but even more interesting, and what the show may be going as hinted in the trailer, is what happens if part of the personality makes through each wipe?"
"Chalcogenide is the same material used in re-writable optical media, such as rewritable"