round tape

round tape

(storage, jargon)
Industry-standard 1/2-inch magnetic tape (7- or 9-track) on traditional circular reels.

See macrotape, opposite: square tape.
References in periodicals archive ?
For over 40 years, the capacity of a round tape reel--and later the successor tape cartridge--was less than the capacity of a disk drive.
He claimed that some young translators would pass round tapes of sex chats for a laugh during smoking breaks.