Meaning: Able to withstand attack. Synonyms: unassailable; unattackable; impregnable; inviolable; secure; strong. Context examples: an impregnable fortress / fortifications that made the frontier inviolable. Similar: invulnerable (immune to attack; impregnable)
Definition - What does Magnetic Disk mean? A magnetic disk is a storage device that uses a magnetization process to write, rewrite and access data. It is covered with a magnetic coating and stores data in the form of tracks, spots and sectors. Hard disks, zip disks and floppy disks are common examples of magnetic disks.
Nouns denoting man-made objects. Synonyms: fixed disk; hard disc; hard disk. Hypernyms (hard disk is a kind of...): disc; disk; magnetic disc; magnetic disk ((computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored).