13-letter words containing p, r, o, x
- lexicographer — a writer, editor, or compiler of a dictionary.
- lexicographic — Like a dictionary, relating to lexicography (the writing of a dictionary).
- mail exploder — (messaging) Part of an electronic mail delivery system which allows a message to be delivered to a list of addresses. Mail exploders are used to implement mailing lists. Users send messages to a single address and the mail exploder takes care of delivery to the individual mailboxes in the list.
- methoxy group — the univalent group CH 3 O−.
- morpho-syntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- orthopyroxene — a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene
- overexpansion — the act or process of expanding.
- 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.
- paradoxically — having the nature of a paradox; self-contradictory.
- 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
- 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).
- 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-exposure — the act of exposing, laying open, or uncovering: the sudden exposure of objects that were hidden under the blanket.
- soapbox derby — a race between children in homemade racing carts
- spermatotoxic — spermotoxic.
- spermatotoxin — spermotoxin.
- tax inspector — a government official whose job is to make sure that people and companies are paying the right amount of tax
- 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.
- underexposure — inadequate exposure, as of photographic film.
- 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
- 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.