erasable adjective 1noun 1forms 1 adjective1 •Capable of being erasedAvoid the frustration of time-consuming do-overs on school projects. Try Crayola Erasable Markers, Crayons & colored pencils. — 2006 noun1 •Any recording medium whose contents can be erased.With the addition of the erasables, the company now offers what it describes as "a complete family" of optical recording products, including Videodisk, CD-ROM, CD-audio, and write-once units. — 1986 formserasables