std

As an abbreviation std

is standard.

As a noun sted is

town.

As abbreviations the difference between stf and std

is that stf is scientifiction while std is standard.

As a noun stod

is support.

As a verb stod

is .

As an abbreviation std is

standard.

As abbreviations the difference between std and sbd

is that std is standard, usually Std or std while sbd is alternative form of sbd.|lang=en.

As a noun STD

is subscriber trunk dialing / subscriber toll dialing.

As an initialism SBD is

silent but deadly (an inaudible but extremely odorous gaseous excretion, a silent but smelly fart.

As a noun stud

is a male animal, especially a stud horse (stallion), kept for breeding or stud can be a small object that protrudes from something; an ornamental knob.

As a verb stud

is to set with ; to furnish with studs.

As an abbreviation std is

standard.

As a noun taxonomy

is the science or the technique used to make a classification.

As an abbreviation std is

standard.