13-letter words containing x, a, n, d
- pandora's box — a source of extensive but unforeseen troubles or problems: The senate investigation turned out to be a Pandora's box for the administration.
- sex addiction — an addiction to sexual activity
- sex education — Sex education is education in schools on the subject of sexual activity and sexual relationships.
- shadow boxing — to make the motions of attack and defense, as in boxing, as a training or conditioning procedure.
- six-yard line — the line marking the limits of the goal area
- stannic oxide — a white, amorphous, water-insoluble powder, SnO 2 , used chiefly in the manufacture of ceramic glazes and glass, and of polishing powders for metal, glass, and marble.
- tax avoidance — Tax avoidance is the use of legal methods to pay the smallest possible amount of tax.
- tax deduction — an expenditure that is deducted from taxable income.
- titanic oxide — a white, water-insoluble powder, TiO 2 , used chiefly in white pigments, plastics, ceramics, and for delustering synthetic fibers.
- unexaggerated — not exaggerated or overblown
- uranium oxide — any of the compounds of uranium and oxygen, as UO 2 , UO 3 , U 4 O 9 , or U 3 O 8 .
- xenodiagnosis — a method of diagnosing certain diseases caused by insects, ticks, or other vectors, by allowing uninfected vectors to feed on the patient and later examining them for infections.