16-letter words containing a, x, o, p
- sex-and-shopping — (of a novel) belonging to a genre of novel in which the central character, a woman, has a number of sexual encounters, and the author mentions the name of many up-market products
- tax depreciation — Tax depreciation is depreciation in a company's internal financial records that is different from the amount that is used for the internal books.
- triple-expansion — noting a power source, especially a steam engine, using the same fluid at three successive stages of expansion to do work in three or more cylinders.
- x-ray photograph — a radiograph made with x-rays.
- xenotransplanted — Transplanted by xenotransplantation.