16-letter words containing x, r
- refractive index — index of refraction.
- relative maximum — maximum (def 4a).
- relative-maximum — maximum (def 4a).
- 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.
- russian orthodox — of or relating to the Russian Orthodox Church
- saxifrage family — the plant family Saxifragaceae, characterized by herbaceous plants, shrubs, and small trees having alternate or opposite leaves, clustered or solitary flowers, and fruit in the form of a berry or capsule, and including the astilbe, currant, deutzia, gooseberry, hydrangea, mock orange, piggy-back plant, saxifrage, and strawberry geranium.
- saxo grammaticus — c1150–1206? Danish historian and poet.
- self-exculpatory — intended to excuse oneself from blame or guilt
- self-explanatory — explaining itself; needing no explanation; obvious.
- senior executive — someone in a senior position in a business, who makes decisions and puts them into action
- sexual relations — sexual intercourse; coitus.
- sodium hydroxide — a white, deliquescent, water-soluble solid, NaOH, usually in the form of lumps, sticks, chips, or pellets, that upon solution in water generates heat: used chiefly in the manufacture of other chemicals, rayon, film, soap, as a laboratory reagent, and in medicine as a caustic.
- spherical excess — the difference between the sum of the angles of a spherical triangle and two right angles.
- 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.
- vauxhall gardens — a public garden at Vauxhall, laid out in 1661; a fashionable meeting place and site of lavish entertainments. Closed in 1859
- verbal auxiliary — an auxiliary verb, especially when considered as a member of a separate class of words used with verbs rather than as a special subclass of verbs.
- well-experienced — wise or skillful in a particular field through experience: an experienced teacher.
- willem-alexander — full name Willem-Alexander Claus George Ferdinand. born 1967, king of the Netherlands from 2013
- world exposition — world's fair.
- x-ray photograph — a radiograph made with x-rays.
- 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.