28-letter words containing t, s
- xerox data systems model 530 — (computer) (XDS 530) A computer from the Scientific Data Systems range, announced sometime after 1968 when Xerox bought out SDS. The XDS 530 was probably under development at SDS before the buy-out but only announced afterwards.
- xerox data systems model 940 — (computer) (SDS 940, XDS 940) A time-sharing system, announced in February 1966, developed by Scientific Data Systems with help from The University of California at Berkeley and Tymshare. SDS 940 was backward compatible with SDS's previous systems (except the 12-bit SDS 92). It had monitor and user modes, dynamic program relocation, automatic memory fragmentation, and system protection. After 1968 Xerox bought out SDS and renamed the SDS machines "Xerox Data Systems" (XDS). Xerox then produced the XDS 530.
- you can cut sth with a knife — If you have been in a place where there was a very tense atmosphere, you can say that you could have cut the atmosphere with a knife.
- zeroth law of thermodynamics — the principle that any two systems in thermal equilibrium with a third system are in thermal equilibrium with each other. Compare law of thermodynamics (def 2).