15-letter words containing a, c, t, g
- pachymeningitis — inflammation of the dura mater of the brain and spinal cord
- packing density — a measure of the amount of data that can be held by unit length of a storage medium, such as magnetic tape
- panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
- pantopragmatics — universal intervention in the affairs of others
- paralinguistics — the study of paralanguage.
- parthenogenetic — development of an egg without fertilization.
- pectoral girdle — (in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
- pergamentaceous — (esp of plants) resembling parchment, whether in texture or composition
- phase-switching — a technique used in radio interferometry in which the signal from one of the two antennae is periodically reversed in phase before being multiplied by the signal from the other antenna
- phonautographic — relating to a phonautograph or a piece of equipment that records sound visually by detecting the sound waves and indicating them on a graph
- photomacrograph — a photograph showing a subject at actual size or somewhat larger.
- photomicrograph — a photograph taken through a microscope.
- phytopathogenic — of, possessing the properties of, or relating to a phytopathogen
- picture gallery — place where art is exhibited and sold
- picture-framing — the job of framing photos, paintings etc
- piggyback plant — a plant, Tolmiea menziesii, of the saxifrage family, native to western North America, that produces new plants at the base of its broad, hairy leaves and that is popular as a houseplant.
- pinochet ugarte — Augusto [ou-goos-taw] /aʊˈgus tɔ/ (Show IPA), 1915–2006, Chilean army general and political leader: president 1973–90.
- pistachio green — a light or medium shade of yellow green.
- plantaginaceous — relating to or belonging to the family Plantaginaceae
- plastic surgeon — doctor who performs cosmetic surgery
- plastic surgery — the branch of surgery dealing with the repair or replacement of malformed, injured, or lost organs or tissues of the body, chiefly by the transplant of living tissues.
- plug compatible — of or relating to computers or peripheral devices that are functionally equivalent to, and may be substituted for, other models.
- plug-compatible — of or relating to computers or peripheral devices that are functionally equivalent to, and may be substituted for, other models.
- post-collegiate — of or relating to a college: collegiate life.
- posthemorrhagic — occurring after a haemorrhage
- pragmaticalness — the quality of being pragmatical or meddlesome
- preagricultural — existing or occurring prior to the introduction of agriculture; of or relating to a society existing at this time
- predicate logic — (logic) (Or "predicate calculus") An extension of propositional logic with separate symbols for predicates, subjects, and quantifiers. For example, where propositional logic might assign a single symbol P to the proposition "All men are mortal", predicate logic can define the predicate M(x) which asserts that the subject, x, is mortal and bind x with the universal quantifier ("For all"): All x . M(x) Higher-order predicate logic allows predicates to be the subjects of other predicates.
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- procrastinating — to defer action; delay: to procrastinate until an opportunity is lost.
- product manager — sb who oversees product development
- prognostication — the act of prognosticating.
- prognosticators — to forecast or predict (something future) from present indications or signs; prophesy.
- program counter — (hardware) (PC) A register in the central processing unit that contains the addresss of the next instruction to be executed. After each instruction is fetched, the PC is automatically incremented to point to the following instruction. It is not normally manipulated like an ordinary register but instead, special instructions are provided to alter the flow of control by writing a new value to the PC, e.g. JUMP, CALL, RTS.
- program picture — a motion picture produced on a low budget, usually shown as the second film of a double feature.
- project manager — sb who oversees project plan
- psychogeriatric — the psychology of old age.
- psychopathology — the science or study of mental disorders.
- publicity agent — A publicity agent is a person whose job is to make sure that a large number of people know about a person, show, or event so that they are successful.
- quintuplicating — Present participle of quintuplicate.
- radiotechnology — the technical application of any form of radiation to industry.
- raster graphics — (graphics) Computer graphics in which an image is composed of an array of pixels arranged in rows and columns. Opposite: vector graphics.
- reaction engine — an engine that produces power as a reaction to the momentum given to gases ejected from it, as a rocket or jet engine.
- rechargeability — (of a storage battery) capable of being charged repeatedly. Compare cordless (def 2).
- recognizability — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- reconfiguration — to change the shape or formation of; remodel; restructure.
- recycling plant — a factory for processing used or abandoned materials
- refugee capital — money from abroad invested, esp for a short term, in the country offering the highest interest rate
- right ascension — the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed in degrees or hours.
- right of search — the privilege of a nation at war to search neutral ships on the high seas for contraband or other matter, carried in violation of neutrality, that may subject the ship to seizure.