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.
"After scanning his luggage, we discovered that there were two sets of round tapes ...
He claimed that some young translators would pass round tapes of sex chats for a laugh during smoking breaks.