What does STO stand for?

Substitute Teachers Online

This definition appears very rarely and is found in the following Acronym Finder categories:

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Statutory Tour Officer Stock Transfer Order (inter-company movement of stock) Stock Transport Order Store (calculator function) Strategic Technology Office (DARPA) Strontium Titanate Oxide Student Training Officer Sub Task Order Subject to Offer Submarine Task Order		Surface-to-air-missile Tactical Order Surface-to-Orbit (rockets) Survive to Operate (US air defense; force protection) Svetovne Trgovinske Organizacije (Slovenian: World Trade Organization) Symbol Timing Offset System Test Operations Systems Test Officer (US Navy) Slater Type Orbitals obtained by using N Gaussian functions (N = a number) Sales-to-Order International Frame Relay Store/Enter