15-letter words containing e, p, i, t, r
- pyroelectricity — electrification or electrical polarity produced in certain crystals by temperature changes.
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- pyrometric cone — (in a kiln) a triangular piece of material that indicates by bending or melting that a certain temperature has been reached.
- pyrotechnically — in a pyrotechnical manner
- quasi-permanent — existing perpetually; everlasting, especially without significant change.
- question period — a period of time set aside each day for members of parliament to question government ministers
- 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.
- radioprotection — protection against radiation
- radioprotective — giving protection against the effects of radiation
- radiotelegraphy — the constructing or operating of radiotelegraphs.
- raster graphics — (graphics) Computer graphics in which an image is composed of an array of pixels arranged in rows and columns. Opposite: vector graphics.
- re-entry permit — a permit required to return to certain countries after leaving for an extended period of time
- 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.
- reception clerk — a person who works in a hotel at the desk or office where guests can books rooms or ask the staff questions
- 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.
- recycling plant — a factory for processing used or abandoned materials
- red spider mite — a plant-feeding mite, Panonychus ulmi, of the family Tetranychidae, which is a serious orchard pest
- reduplicatively — in a reduplicative manner
- reference point — a point used to find or describe the location of something
- reference strip — a strip of film used to help calculate and monitor the exposing and processing of photographs
- refuelling stop — a stop made so that fresh fuel can be supplied (to an aircraft, vehicle, etc)
- refugee capital — money from abroad invested, esp for a short term, in the country offering the highest interest rate
- registered port — (networking) Any TCP or UDP port with a number in the range 1025 to 65535 (i.e. not a well-known port) that is registered with IANA.
- registered post — a Post Office service by which compensation is paid for loss or damage to mail for which a registration fee has been paid
- reincorporation — the act of incorporating or the state of being incorporated.
- relief-printing — prominence, distinctness, or vividness due to contrast.
- rendering plant — a factory where waste products and livestock carcasses are converted into industrial fats and oils (such as tallow, used to make soap) and other products (such as fertilizer)
- 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.
- representations — statements of facts, true or alleged, esp set forth by way of remonstrance or expostulation
- representatives — a person or thing that represents another or others.
- reprivatization — the action or process of reprivatizing, or an instance thereof
- reproducibility — to make a copy, representation, duplicate, or close imitation of: to reproduce a picture.
- reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
- resist printing — a fabric-printing method in which a dye-resistant substance is applied to certain specified areas of the material prior to immersion in a dye bath and subsequently removed so as to permit the original hue to act as a pattern against the colored ground.
- respecification — the act of specifying.
- restless spirit — a wandering spirit
- retail politics — a political strategy or campaign style of meeting and speaking directly to as many voters as possible: New Hampshire is a state where retail politics are decisive. Not every candidate is good at retail politics.
- retirement plan — a systematic plan made and kept by an individual for setting aside income for his or her future retirement.
- retro-operative — affecting or operating on past events; retroactive
- retroperitoneal — of or relating to the area behind the abdominal lining, where organs such as the kidneys and bladder are located
- retrospectively — with contemplation of past situations, events, etc.: You should examine your relationship retrospectively.
- rhesus positive — relating to blood containing Rhesus antigen D