What does STD stand for?

What does STD mean?

STD	LocoScript Standard Computing » File Extensions
STD	Skin Test Dose Medical » Physiology
STD	Salinity, Temperature, and Depth Academic & Science » Ocean Science
STD	Shoot The Dummy Community » Law
STD	State Transition Diagram graphics file Computing » File Extensions
STD	Standard Deviation Academic & Science » Mathematics
STD	Skeletal Transcript Database Medical » Human Genome
STD	Sexual Tension Disorder Medical » Physiology
STD	Simon Tissot Dupont Community » Famous
STD	Sweet Translucent Dreams Internet » Chat
STD	Small Testicle Disorder Medical » Physiology
STD	Snails Taste Delicious Miscellaneous » Funnies
STD	Some Thing Duh Internet » Chat
STD	Secondary Telecom District Computing » Telecom
STD	Scriptures Temple Dating Community » Religion
STD	Sterilized Testing Developer Medical » Laboratory
STD	Standard Transmission Difficulties Governmental » NASA
STD	Someone Truly Divine Community » Religion
STD	Standing Tremor Disorder Medical » Physiology
STD	Stop, Treat, and Destroy Academic & Science » Botany
STD	Skip Tooth Design Business » Products
STD	Super Toddler Drool Miscellaneous » Funnies
STD	Subarashii Tomodachi Doushi (means Best Friends) International
STD	Stuart Tyrrell Developments (Company) Business » Firms
STD	Sexually Transmitted Disease Medical » Hospitals