23-letter words containing e, p, r, g, n, s
- the teaching profession — the profession of a teacher
- to pay through the nose — If you say that you paid through the nose for something, you are emphasizing that you had to pay what you consider too high a price for it.
- trans-new guinea phylum — the largest grouping of the non-Austronesian languages of Papua and New Guinea and the surrounding regions
- transplantation antigen — a histocompatibility antigen identified by its effect on the rejection of transplanted cells or tissues.
- triple expansion engine — (formerly) a steam engine in which the steam is expanded in three stages in cylinders of increasing diameter to accommodate the increasing volume of the steam
- voyageurs national park — a national park in N Minnesota. 343 sq. mi. (888 sq. km).