13-letter words containing x, p, o
- paramyxovirus — any of various RNA-containing viruses that are similar to but larger than the myxoviruses, including the viruses that cause mumps, measles, parainfluenza, and Newcastle disease.
- phenoxy resin — any of a class of resins derived from polyhydroxy ethers
- phototoxicity — damage, esp to the skin, as a result of exposure to light
- phytotoxicity — the state of being phytotoxic
- pigouvian tax — a tax levied to counter an economic negative externality, for example taxing producers of industrial pollution in order to encourage pollution control
- posix threads — (programming) (Pthreads) A POSIX standard API that defines a set of C programming language types, functions and constants for creating and manipulating pre-emptive threads. The standard's full name is "POSIX.1c, Threads extensions (IEEE Std 1003.1c-1995)". Implementations are available on many Unix-like POSIX-conformant operating systems such as FreeBSD, NetBSD, OpenBSD, GNU/Linux, Mac OS X and Solaris as well as DR-DOS and Microsoft Windows. Pthreads was designed and implemented in the PART Project (POSIX / Ada-Runtime Project).
- post exchange — a retail store on an army installation that sells goods and services to military personnel and their dependents and to certain authorized civilian personnel. Abbreviation: PX.
- praxeological — of or pertaining to praxeology
- praxiological — the study of human conduct.
- preexcitation — the act of exciting.
- primogenitrix — a primogenitor who is female
- prix goncourt — Goncourt (def 2).
- proparoxytone — having an accent or heavy stress on the antepenultimate syllable.
- protected sex — sexual activity during which a condom is used to protect against sexually transmitted disease and pregnancy.
- proxy gateway — proxy server
- self-exposing — to lay open to danger, attack, harm, etc.: to expose soldiers to gunfire; to expose one's character to attack.
- self-exposure — the act of exposing, laying open, or uncovering: the sudden exposure of objects that were hidden under the blanket.
- sexploitation — the exploitation of sex in films, magazines, etc.
- soapbox derby — a race between children in homemade racing carts
- spermatotoxic — spermotoxic.
- spermatotoxin — spermotoxin.
- tax exemption — immunity from paying tax
- tax inspector — a government official whose job is to make sure that people and companies are paying the right amount of tax
- telephone box — a more or less soundproof booth containing a public telephone.
- time exposure — a long exposure in which the shutter is opened and closed by hand or by a mechanism other than the automatic mechanism of the shutter.
- toxicophagous — poison-eating
- toxoplasmosis — infection with the parasite Toxoplasma gondii, transmitted to humans by consumption of insufficiently cooked meat containing the parasite or by contact with contaminated cats or their feces: the illness produced is usually mild, but in pregnant women may damage the fetus.
- underexposure — inadequate exposure, as of photographic film.
- unexceptional — not exceptional; not unusual or extraordinary.
- unexplanatory — serving to explain: an explanatory footnote.
- visual foxpro — (database) A Microsoft database derived from Fox Software's FoxPRO.
- xerophthalmia — abnormal dryness of the eyeball characterized by conjunctivitis, caused by a deficiency of tears and attributed to a lack of vitamin A.
- xerophthalmic — Of or pertaining to xerophthalmia.
- xiphiplastron — the fourth lateral plate of a turtle's plastron
- xiphophyllous — (botany) Having sword-shaped leaves.
- xylographical — Xylographic.
- zf expression — (programming) (After Zermelo Fränkel set theory). David Turner's name for list comprehension.
- zoopraxiscope — an early type of motion-picture projector, designed by Eadweard Muybridge, in which the images were drawings or photographs placed along the rim of a circular glass plate, the shutter was a rotating opaque disk with radial slots, and a limelight source was used.