What does ES stand for?

What does ES mean?

ES	Errored Second Computing » General
ES	Event Sequence Computing » General
ES	Embryonic Stem Medical » Human Genome
ES	Erythroid Silent Medical » Human Genome
ES	Energy Saving mode Computing » Hardware
ES	Extended Scrub Medical » Hospitals
ES	Emergency Surgery Medical » Hospitals
ES	Esempio International » Italian
ES	Effective Sample Medical » Laboratory
ES	Enzyme Substrate Medical » Laboratory
ES	Spanish Regional » Language Codes (2 Letters)
ES	Evidence Symmetry Community » Law
ES	Elevated Standard Community » Law
ES	Enhanced Security Community » Law
ES	Europos Sajunga International » Lithuanian
ES	Eureka Springs Governmental » State & Local
ES	External Sector Academic & Science » Mathematics
ES	Extreme Spread Academic & Science » Mathematics
ES	Exponentially Small Academic & Science » Mathematics
ES	Equatorial System Academic & Science » Meteorology
ES	End Strength Governmental » Military
ES	Enemy Status Governmental » Military
ES	External Subscriber Governmental » Military
ES	En Suite Governmental » Military
ES	Elite Sniper Governmental » Military