17-letter words containing x, p, o
- psychoprophylaxis — Lamaze method.
- punitive taxation — a form of taxation that is very severe and that people find very difficult to pay
- reflexive pronoun — A reflexive pronoun is a pronoun such as 'myself' which refers back to the subject of a sentence or clause. For example, in the sentence 'He made himself a cup of tea', the reflexive pronoun 'himself' refers back to 'he'.
- russell's paradox — a paradox of set theory in which an object is defined in terms of a class of objects that contains the object being defined, resulting in a logical contradiction.
- sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
- six-speed gearbox — a gearbox containing a system of six gears
- take exception to — object to sth
- thermal expansion — expansion caused by heat
- unix to unix copy — (networking, messaging) (uucp) A Unix utility program and protocol that allows one Unix system to send files to another via a serial line which may be a cable going directly from one machine's serial port to another's or may involve a modem at each end of a telephone line. Software is also available to allow uucp to work over Ethernet though there are better alternatives in this case, e.g. FTP or rcp for file transfer, SMTP for electronic mail or NNTP for news. The term is now also used to describe the large international network which uses UUCP to pass Usenet news and electronic mail, also known as "UUCPNET". See also cu, uuencode.
- urban exploration — a recreational activity in which people explore derelict urban structures such as abandoned sewers or underground railways or attempt to access areas which are closed to the public such as the roofs of skyscrapers
- vitamin b complex — an important group of water-soluble vitamins containing vitamin B 1 , vitamin B 2 , etc.
- without exception — all included
- xerox corporation — (company) A US company, founded in 1906, specialising in document related technology and services including photocopiers, printers and office software. Xerox's acquisition of Affiliated Computer Services added business process and document management to their product range. In 2013 they have 140,000 employees. Their research centre, XEROX PARC, prototyped several revolutionary advances in computing, which the company failed to exploit, including the WIMP desktop metaphor and XEROX Network Services.