- Abbreviation of synchronous transfer signal. The equivalent electrical signal to optical carrier transmission speeds. STS-1 corresponds to OC-1, STS-3 to OC-3, and so on.
- acronym forSynchronous Transfer Signal
- acronym forsequence tagged site
- noun a short sequence of DNA, usually 200 to 500 base pairs, that occurs only once in the human genome and is useful in genetic mapping