Adjective
Capable of, or suitable for, being written down.
Source: Webster's dictionaryAnd by the way, everything in life is writable about if you have the outgoing guts to do it, and the imagination to improvise. The worst enemy to creativity is self-doubt. Sylvia Plath
Shoppin' online for deals on some writable media I edit Wikipedia. Al Yankovic
Apple introduced the iMac in 1998 with a CD-ROM drive but no floppy drive; this made USB-connected floppy drives popular accessories, as the iMac came without any writable removable media device. Source: Internet
A small notch on the right of the disk identifies that it is writable, detected by a mechanical switch or phototransistor above it; if it is not present, the disk is read-only. Source: Internet
Dereferencing a null pointer will always result in a segmentation fault, but wild pointers and dangling pointers point to memory that may or may not exist, and may or may not be readable or writable, and thus can result in transient bugs. Source: Internet
Each of the girls filmed a television advert promoting new types of Polaroid film (i.e. black & white, writable, etc.), in addition to making a group advert. Source: Internet