What does VOL stand for?

What does VOL mean?

VOL	Volume Academic & Science » Electronics
VOL	Volume Community » Law
VOL	Volume Community » Media
VOL	Volume Medical » Laboratory
VOL	Volume Governmental » US Government
VOL	Volume Academic & Science » Chemistry
VOL	Volume Governmental » Military
VOL	Volume Medical » Physiology
VOL	VOLume Computing » Telecom
VOL	Volume Computing » Texting
VOL	Volume Governmental » Transportation
VOL	Volume Miscellaneous » Plastics
VOL	Volume Governmental » NASA
VOL	Voluntary Medical » Physiology
VOL	Volatile Medical » Physiology
VOL	Volatile Miscellaneous » Plastics
VOL	Volatile Governmental » NASA
VOL	Volunteer Governmental » Military
VOL	Tennessee Volunteers Academic & Science » Universities
VOL	Volapük Regional » Language Codes (3 Letters)
VOL	Volt Information Sciences, Inc. Business » NYSE Symbols
VOL	display disk's Volume Label Computing » DOS Commands