14-letter words containing n, o, e, x, p
- peano's axioms — a collection of axioms concerning the properties of the set of all positive integers, including the principle of mathematical induction.
- pinxter flower — a variety of azalea (Rhododendron nudiflorum) with pink, sweet-smelling flowers, purplish-red at the base
- pontus euxinus — a sea between Europe and Asia, bordered by Turkey, Romania, Bulgaria, Ukraine, Georgia, and the Russian Federation. 164,000 sq. mi. (424,760 sq. km).
- postexperience — taking place after a particular experience
- processing tax — a tax levied by the government at an intermediate stage in the production of goods.
- re-exploration — an act or instance of exploring or investigating; examination.
- spring equinox — the time when the sun crosses the plane of the earth's equator, making night and day of approximately equal length all over the earth and occurring about March 21 (vernal equinox or spring equinox) and September 22 (autumnal equinox)
- take exception — to make objections (to); demur (at)
- xenophobically — relating to or exhibiting fear or hatred of foreigners, people from different cultures, or strangers.
- xenotransplant — xenograft.
- zeno's paradox — any of various versions of a paradox regarding the relation of the discrete to the continuous and requiring the concept of limit for its satisfactory explanation.