28-letter words containing s, t, i, l, n
- variable-density wind tunnel — a closed-circuit wind tunnel entirely contained in a casing in which the pressure and therefore the density of the working fluid can be maintained at a preselected value
- very large scale integration — VLSI.
- very large-scale integration — the process of fabricating a few thousand logic gates or more in a single integrated circuit
- very small aperture terminal — (communications) (VSAT) A kind of ground station used to contact a communications satellite such as INMARSAT.
- virgin islands national park — a national park on St. John Island, Virgin Islands: prehistoric Indian relics. 24 sq. mi. (62 sq. km).
- walden, or life in the woods — a book of philosophical observations (1854) by Thoreau.
- waterton lakes national park — a national park in W Canada, in S Alberta. 220 sq. mi. (570 sq. km).
- wireless encryption protocol — Wired Equivalent Privacy
- within an inch of one's life — almost to the point of death
- 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).