16-letter words containing e, x, t, r, a, o
- proxime accessit — the person coming next after the winner in a competitive examination or an academic prize giving; runner-up
- rate of exchange — exchange rate.
- recreational sex — sex for the purpose of pleasure rather than reproduction, without the commitment of a relationship
- rich text format — (RTF) An interchange format from Microsoft for exchange of documents between Word and other document preparation systems.
- rotation of axes — a process of replacing the axes in a Cartesian coordinate system with a new set of axes making a specified angle with and having the same origin as the original axes.
- self-exculpatory — intended to excuse oneself from blame or guilt
- self-explanatory — explaining itself; needing no explanation; obvious.
- sexual relations — sexual intercourse; coitus.
- 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.
- texas revolution — a revolutionary movement, 1832–36, in which U.S. settlers asserted their independence from Mexico and established the republic of Texas.
- 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.
- uranium trioxide — a radioactive orange powder, UO 3 , used in the manufacture of some ceramics.
- xaverian brother — a member of a congregation of Roman Catholic laymen bound by simple vows and dedicated to education.
- xenotransplanted — Transplanted by xenotransplantation.