12-letter words containing d, a, l, r, i
- philandering — (of a man) to make love with a woman one cannot or will not marry; carry on flirtations.
- pig islander — a New Zealander
- pilot ladder — Jacob's ladder (def 2a).
- plagiohedral — (of a crystal) having faces arranged obliquely in a helix.
- plaid screen — [XEROX PARC] A "special effect" that occurs when certain kinds of memory smashes overwrite the control blocks or image memory of a bit-mapped display. The term "salt and pepper" may refer to a different pattern of similar origin. Though the term as coined at PARC refers to the result of an error, some of the X demos induce plaid-screen effects deliberately as a display hack.
- plate girder — an iron or steel beam built up from plates and shapes welded or riveted together, usually including a plate or plates for a web, four angle irons forming two flanges, and a pair of plates to reinforce the flanges.
- play reading — the activity when a group of people read the parts of a play
- playing card — one of the conventional set of 52 cards in four suits, as diamonds, hearts, spades, and clubs, used in playing various games of chance and skill.
- postcardlike — (of a scene) resembling a postcard
- postprandial — after a meal, especially after dinner: postprandial oratory; a postprandial brandy.
- pot marigold — calendula (def 1).
- pre-prandial — You use pre-prandial to refer to things you do or have before a meal.
- precedential — of the nature of or constituting a precedent.
- premium deal — a commercial transaction in which a special incentive or bonus is offered
- presidential — of or relating to a president or presidency.
- primordially — constituting a beginning; giving origin to something derived or developed; original; elementary: primordial forms of life.
- prodigal son — a figure in a parable of Jesus (Luke 15:11–32); a wayward son who squanders his inheritance but returns home to find that his father forgives him.
- productional — the act of producing; creation; manufacture.
- profile drag — the sum of the surface friction drag and the form drag for a body moving subsonically through a fluid
- prolog-linda — 1. Prolog extended with Linda-style parallelism. Proc 4th Australian Conf on Artif Intell. 2. Neil MacDonald, U Edinburgh 1989. Another Prolog extended with Linda, implemented on a Computing Surface.
- prosodically — in a prosodic manner
- providential — of, relating to, or resulting from divine providence: providential care.
- prudentially — of, pertaining to, characterized by, or resulting from prudence.
- pyramidology — a belief system based on the supposed occult significance of the Egyptian pyramids
- pyritohedral — of or relating to a pyritohedron
- quadraplegic — quadriplegic.
- quadriennial — quadrennial.
- quadrillions — Plural form of quadrillion.
- quadrinomial — consisting of four terms.
- quadriplegia — paralysis of all four limbs or of the entire body below the neck.
- quadriplegic — a person with quadriplegia.
- quadrivalent — having a valence of four; tetravalent.
- radiant flux — the time rate of flow of radiant energy.
- radical axis — the line such that tangents drawn from any point of the line to two given circles are equal in length.
- radical chic — the patronage of extremists or left-wing radicals by rich or famous people, as through invitations to social functions or public expressions of support.
- radical left — the faction representing extreme left-wing political views, often Marxist or Maoist in ideology.
- radical sign — the symbol √ or indicating extraction of a root of the quantity that follows it, as √25=5 or .
- radicicolous — living on the roots of plants
- radio galaxy — a galaxy that emits much more strongly in the radio part of the spectrum than does a typical galaxy.
- radio-collar — to attach a radio collar to (an animal).
- radiobiology — the branch of biology dealing with the effects of radiation on living matter.
- radioecology — the branch of ecology concerned with the effects of radioactivity on the environment
- radioelement — a radioactive element.
- radiolocator — radar.
- radiological — of or relating to radiology.
- radiolucency — almost entirely transparent to radiation; almost entirely invisible in x-ray photographs and under fluoroscopy.
- radionuclide — a radioactive nuclide.
- railroad car — a railway carriage or van
- railroad pen — a ruling pen for drawing two parallel lines.
- railway yard — an area having a network of railway tracks and sidings, used for storing rolling stock, making up trains, etc