15-letter words containing p, t, o, e
- apartment house — a building containing a number of residential apartments.
- aphrodite terra — a large plateau region that stretches approximately halfway around the middle latitude of Venus.
- apolipoproteins — Plural form of apolipoprotein.
- apollo asteroid — one of a number of asteroids whose orbits cross that of the earth.
- apollo computer — (company) A company making workstations often used for CAD. From 1980 to 1987, Apollo were the largest manufacturer of network workstations. Apollo workstations ran Aegis, a proprietary operating system with a Posix-compliant Unix alternative frontend. Apollo's networking was particularly elegant, among the first to allow demand paging over the network, and allowing a degree of network transparency and low sysadmin-to-machine ratio that is still unmatched. Apollo's largest customers were Mentor Graphics (electronic design), GM, Ford, Chrysler, and Boeing (mechanical design). Apollo was acquired by Hewlett-Packard in 1989, and gradually closed down over the period 1990-1997.
- apophthegmatise — to speak in apophthegms
- apophthegmatist — a person who creates apophthegms
- apophthegmatize — to use apophthegms
- apostle pitcher — a stoneware pitcher decorated in relief with figures of the apostles.
- apostles' creed — a concise statement of Christian beliefs dating from about 500 ad, traditionally ascribed to the Apostles
- apostolicalness — The state or quality of being apostolical.
- appellate court — In the United States, an appellate court is a special court where people who have been convicted of a crime can appeal against their conviction.
- apple macintosh — Macintosh
- applesoft basic — (language) A version of BASIC for Apple computers.
- apprentice work — work done when young and a novice
- appropriateness — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approximateness — The quality of being approximate.
- arc de triomphe — the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836
- archiepiscopate — the rank, office, or term of office of an archbishop
- armaments depot — a store for armaments
- arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
- astrophotometry — the measurement of the intensity of light of celestial objects.
- at the point of — very close to; on the verge of
- athletic sports — sports, esp track and field events, in which athleticism is required
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- audio equipment — electrical devices used to play or record sound
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.
- autostereoscopy — The display of stereoscopic images without the use of special viewing equipment.
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- back projection — a method of projecting pictures onto a translucent screen so that they are viewed from the opposite side, used esp in films to create the illusion that the actors in the foreground are moving
- backup software — (tool, software) Software for doing a backup, often included as part of the operating system. Backup software should provide ways to specify what files get backed up and to where. It may include its own scheduling function to automate the procedure or, preferably, work with generic scheduling facilities. It may include facilities for managing the backup media (e.g. maintaining an index of tapes) and for restoring files from backups. Examples are Unix's dump command and Windows's ntbackup.
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- balloon payment — a large payment that concludes a series of smaller payments, for example in order to repay a loan
- ballpoint (pen) — a pen having, instead of a point, a small ball bearing that picks up its ink by rolling against an interior ink reservoir
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- baptism of fire — If someone who has just begun a new job has a baptism of fire, they immediately have to cope with very many severe difficulties and obstacles.
- barothermograph — an automatic instrument for recording pressure and temperature.
- be a wake-up to — to be fully alert to (a person, thing, action, etc)
- beam-power tube — a vacuum tube in which the stream of electrons flowing to the plate is focused by the action of a set of auxiliary, charged elements, giving an increase in output power.
- beat oneself up — to reproach oneself
- beet leafhopper — a small leafhopper (Circulifer tenellus) that transmits a very destructive virus to sugar beets
- beetroot purple — a deep purple-red; a purple pigment derived from beets.
- beyond the pale — If you think that someone's actions or behaviour are not acceptable, you can say that they are beyond the pale.
- bit-mapped font — a computer font whose characters are held in memory as series of dots.
- bits per second — (communications, unit) (bps, b/s) The unit in which data rate is measured. For example, a modem's data rate is usually measured in kilobits per second. In 1996, the maximum modem speed for use on the PSTN was 33.6 kbps, rising to 56 kbps in 1997. Note that kilo- (k), mega- (M), etc. in data rates denote powers of 1000, not 1024.
- black operation — a covert and undocumented military operation
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- boiled potatoes — potatoes, usually peeled, cooked in boiling water
- bottom-up model — (programming) A method for estimating the cost of a complete software project by combining estimates for each component.