21-letter words containing l, o, g, i, c, p
- social anthropologist — an anthropologist who deals with cultural and social phenomena such as kinship systems or beliefs, esp of nonliterate peoples
- supergranulation cell — one of a number of large convection cells in the photosphere and chromosphere of the sun, each having a diameter of 10,000–20,000 miles (16,000–32,000 km) and lasting longer than a day.
- threshold wage policy — a policy whereby wages are increased in accordance with inflation
- topological invariant — a property of a topological space that is a property of every space related to the given space by a homeomorphism.