15-letter words containing a, t, p, o
- pseudocoelomate — having a pseudocoel.
- pseudomutuality — a relationship between two persons in which conflict of views or opinions is solved by simply ignoring it
- pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
- psychoacoustics — the study of sound perception.
- psychogeriatric — the psychology of old age.
- psychohistorian — a person who writes psychohistory
- psychopathology — the science or study of mental disorders.
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- public footpath — a footpath along which the public has right of way
- public lavatory — a public toilet
- puerto ayacucho — a city in S Venezuela, on the Orinoco River.
- puerto vallarta — a city in W Mexico.
- pull a fast one — moving or able to move, operate, function, or take effect quickly; quick; swift; rapid: a fast horse; a fast pain reliever; a fast thinker.
- pulmobranchiate — possessing a pulmobranch
- put a damper on — To put a damper on something means to have an effect on it which stops it being as enjoyable or as successful as it should be.
- put paid to sth — If an unexpected event puts paid to someone's hopes, chances, or plans, it completely ends or destroys them.
- put sb to death — If someone is put to death, they are executed.
- put sb to shame — If someone puts you to shame, they make you feel ashamed because they do something much better than you do.
- put the make on — to bring into existence by shaping or changing material, combining parts, etc.: to make a dress; to make a channel; to make a work of art.
- put years on sb — If you say that something such as an experience or a way of dressing has put years on someone, you mean that it has made them look or feel much older.
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- pyrophotography — the production of pyrophotographs
- pyrotechnically — in a pyrotechnical manner
- quadripartition — A division into four parts.
- quadruplication — one of four copies or identical items, especially copies of typewritten material.
- quarter pounder — A quarter pounder is a hamburger that weighs four ounces before it is cooked. Four ounces is a quarter of a pound.
- radar telescope — (in radar astronomy) a very large radar antenna used to study planetary bodies in the solar system.
- radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
- radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
- radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- radioautography — autoradiography.
- radiophotograph — a photograph or other image transmitted by radio.
- radioprotection — protection against radiation
- radioprotective — giving protection against the effects of radiation
- radiotelegraphy — the constructing or operating of radiotelegraphs.
- raw-pack method — cold pack (def 2).
- re-presentation — the act of representing.
- reapportionment — the act of redistributing or changing the apportionment of something.
- reappropriation — the act of appropriating.
- rear projection — the projection of filmed action or stills on a translucent screen in front of which actors are lit and filmed: used to simulate an outdoor or location background in the studio.
- rear-projection — the projection of filmed action or stills on a translucent screen in front of which actors are lit and filmed: used to simulate an outdoor or location background in the studio.
- reception class — A reception class is a class that children go into when they first start school at the age of four or five.
- recoil-operated — employing the recoil force of an explosive projectile to prepare the firing mechanism for the next shot.
- reconceptualize — to form into a concept; make a concept of.
- reincorporation — the act of incorporating or the state of being incorporated.
- repeat offender — A repeat offender is someone who commits the same sort of crime more than once.
- repeating group — (database) Any attribute that can have multiple values associated with a single instance of some entity. For example, a book might have multiple authors. Such a "-to-many" relationship might be represented in an unnormalised relational database as multiple author columns in the book table or a single author(s) column containing a string which was a list of authors. Converting this to "first normal form" is the first step in database normalisation. Each author of the book would appear in a separate row along with the book's primary key. Later nomalisation stages would move the book-author relationship into a separate table to avoid repeating other book attibutes (e.g. title, publisher) for each author.
- reported clause — A reported clause is a subordinate clause that indicates what someone said or thought. For example, in 'She said that she was hungry', 'she was hungry' is a reported clause.
- representations — statements of facts, true or alleged, esp set forth by way of remonstrance or expostulation