16-letter words containing e, x, t, r
- sexual relations — sexual intercourse; coitus.
- sulphur trioxide — a white corrosive substance existing in three crystalline forms of which the stable (alpha-) form is usually obtained as silky needles. It is produced by the oxidation of sulphur dioxide, and is used in the sulphonation of organic compounds. Formula: SO3
- symmetric matrix — a matrix with the lower-left half equal to the mirror image of the upper-right half; a matrix that is its own transpose.
- 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.
- texture modifier — a substance that is added to food products to increase viscosity
- the sex industry — a commercial sector that employs sex workers in prostitution, pornography, etc.
- 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.
- tuxtla gutierrez — a state in S Mexico. 28,732 sq. mi. (74,415 sq. km). Capital: Tuxtla Gutiérrez.
- twin-lens reflex — See under reflex camera. Abbreviation: TLR.
- uranium trioxide — a radioactive orange powder, UO 3 , used in the manufacture of some ceramics.
- world exposition — world's fair.
- x-ray technician — a technician who specializes in taking and processing x-rays, especially in a hospital or clinic.
- xaverian brother — a member of a congregation of Roman Catholic laymen bound by simple vows and dedicated to education.
- xenotransplanted — Transplanted by xenotransplantation.