(electronics, communication) vestigial side band

(aviation, space science) Virgin SpaceShip — spaceship prefix for Virgin Galactic spacelines / (automotive engineering) vehicle speed sensor / (computer networking) virtual switching system

(computing) Microsoft Visual SourceSafe / (computing) Microsoft Volume Snapshot Service / (surveillance) Virtual Security System software

(pharmacokinetics), apparent volume of distribution at steady state / (electronics), one of the power-supply pins on some integrated circuits

Ville Saint Laurent (Ville St. Laurent) — a municipality in the province of Quebec, Canada

plural of vsirna

viral siRNA

plural of VSL

plural of VSD

(aviation) Stall speed in landing configuration, with all high-lift devices (flaps and/or slats) extended.