28-letter words containing a, l, t, i, s
- 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).
- 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).