13-letter words containing d, i, a, p
- pas-de-calais — French name of the Strait of Dover.
- patriot's day — the third Monday in April, a legal holiday in Me. and Mass. commemorating the battles of Lexington and Concord (April 19, 1775)
- patriots' day — the anniversary of the battles of Lexington and Concord (1775), celebrated the third Monday in April: a legal holiday in Massachusetts and Maine.
- pattern-drill — (in foreign-language learning) a technique for practicing a linguistic structure in which students repeat a sentence or other structure, each time substituting a new element, such as a new verb, as directed by the teacher, or transforming the original structure, as in changing a statement to a question.
- peace of mind — reassurance
- peace studies — a field of political science which examines how to reduce conflicts
- peak district — a region of N central England, mainly in N Derbyshire at the S end of the Pennines: consists of moors in the north and a central limestone plateau; many caves. Highest point: 727 m (2088 ft)
- pearl molding — a molding having the form of a row of pearls.
- pease pudding — a pudding of strained split peas mixed with egg.
- pedagogically — of or relating to a pedagogue or pedagogy.
- pedal cyclist — a person who rides a pedal cycle, as opposed to a motorcycle
- pedantocratic — of or relating to pedantocracy
- pedestrianism — the exercise or practice of walking.
- pedestrianize — to go on foot; walk.
- pedicellariae — one of the minute pincerlike structures common to starfish and sea urchins, used for cleaning and to capture tiny prey.
- pedicellation — having a pedicel or pedicels.
- pentadactylic — having five digits on each limb
- peptidoglycan — a polymer, consisting of polysaccharide and peptide chains, responsible for the structure of the cell wall of bacteria
- perboric acid — a hypothetical acid, HBO 3 , known only in the form of its salts.
- perditionable — deserving perdition or damnation
- perigean tide — an ocean tide that occurs in the spring, when the moon is at its perigee.
- periodic acid — any of a series of acids derived from I 2 O 7 by the addition of water molecules, as HIO 4 or H 5 IO 6 .
- periodic rate — The periodic rate is the interest rate charged for each period, such as monthly or quarterly.
- periodicalist — a writer of articles for periodicals
- periodization — an act or instance of dividing a subject into historical eras for purposes of analysis and study.
- periodontally — with respect to periodontal tissue
- perissodactyl — having an uneven number of toes or digits on each foot.
- perpendicular — vertical; straight up and down; upright.
- phase diagram — a graph, usually using temperature, pressure, and composition as coordinates, indicating the regions of stability of the various phases of a system.
- phenylic acid — phenol (def 1).
- phillips head — a screw head having two partial slots crossed at right angles, driven by a special screwdriver (Phillips screwdriver)
- philo judaeus — c20 b.c.–a.d. c50, Alexandrian Jewish theologian and philosopher.
- phong shading — (graphics) A model of how light is reflected from surfaces used extensively in three dimensional graphics to generate visually realistic images.
- phony disease — a disease of peaches, characterized by dwarfing, dark-green leaves, premature leafing and flowering, and the production of reduced numbers of small fruit, caused by a virus, Nanus mirabilis.
- photodynamics — the science dealing with light and its effects on living organisms.
- phrygian mode — an authentic church mode represented on the white keys of a keyboard instrument by an ascending scale from E to E.
- phthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
- picardy third — a major third in the final tonic chord of a composition written in a minor key.
- pick-and-roll — an offensive maneuver in which a player interposes himself or herself between a teammate with the ball and a defender, then cuts quickly toward the basket for a pass from the same teammate.
- pico de aneto — Pi·co de [pee-kaw th e] /ˈpi kɔ ðɛ/ (Show IPA). Spanish name of Pic de Néthou.
- picramic acid — a red, crystalline substance, C 6 H 5 N 3 O 5 , soluble in alcohol, used chiefly in the manufacture of azo dyes.
- pidginization — to develop (a language) into a pidgin.
- pigheadedness — stupidly obstinate; stubborn: pigheaded resistance.
- pinar del rio — a city in W Cuba.
- piper gurnard — a marine fish, Trigla lyra, of the family Triglidae
- plague-ridden — afflicted by the plague or a plague
- plain dealing — direct and honest conduct in one's relations and transactions with others.
- plains indian — a member of any of the North American Indian peoples formerly living in the Great Plains of the US and Canada
- plant kingdom — the plants of the world collectively.
- plasmodiocarp — a fruiting body of certain myxomycetes.