18-letter words containing l, a, m, e, p, h
- spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
- the family compact — the ruling oligarchy in Upper Canada in the early 19th century
- the lords temporal — (in Britain) peers other than bishops in their capacity as members of the House of Lords
- the middle passage — the journey across the Atlantic Ocean from the W coast of Africa to the Caribbean: the longest part of the journey of the slave ships sailing to the Caribbean or the Americas
- the palmetto state — a nickname for South Carolina
- upper klamath lake — See under Klamath Lakes.