28-letter words containing s, p, l, i, c
- semiconservative replication — replication.
- service advertising protocol — (networking) (SAP) A Novell NetWare protocol. SAP follows the spirit of the Xerox Clearinghouse protocol, it permits file, print, and gateway servers to advertise their services and addresses.
- smooth endoplasmic reticulum — a network of tubular membranes within the cytoplasm of the cell, occurring either with a smooth surface (smooth endoplasmic reticulum) or studded with ribosomes (rough endoplasmic reticulum) involved in the transport of materials.
- special power of appointment — authority to appoint persons from a particular class to take an estate or interest in property
- special theory of relativity — the state or fact of being relative.
- spectral luminous efficiency — a measure of the efficiency of radiation of a given wavelength in producing a visual sensation. It is equal to the ratio of the radiant flux at a standard wavelength to that at the given wavelength when the standard wavelength is chosen so that the maximum value of this ratio is unity
- supplemental security income — income provided by the U.S. government to needy aged, blind, and disabled persons. Abbreviation: SSI.
- systemic lupus erythematosus — an autoimmune inflammatory disease of the connective tissues, occurring mainly among middle-aged women, chiefly characterized by skin eruptions, joint pain, recurrent pleurisy, and kidney disease. Abbreviation: SLE.
- tannu tuva people's republic — former name of Tuva Autonomous Republic.
- television interface adaptor — (hardware, graphics) (TIA) The graphics chip in the Atari 2600, also used as a sound chip for some arcade game.
- the obscene publications act — a group of obscenity laws that determines what can be published in Britain
- tissue plasminogen activator — an anticlotting enzyme, naturally occurring in small amounts in the blood.
- united states postal service — an independent federal agency created in 1971 to replace the Post Office Department as the division of the federal government responsible for postal services. Abbreviation: USPS.
- wireless encryption protocol — Wired Equivalent Privacy