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20-letter words containing d, i, p, h, o

  • pass the time of day — to exchange casual greetings (with an acquaintance)
  • peroxysulphuric acid — a white hygroscopic crystalline unstable oxidizing acid. Formula: H2SO5
  • perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
  • phenyldiethanolamine — a white, crystalline, slightly water-soluble substance, C 1 0 H 1 5 NO 2 , used in the manufacture of dyes and in organic synthesis.
  • phosphoric anhydride — phosphorus pentoxide.
  • phosphorus pentoxide — a white, deliquescent, crystalline powder, P 2 O 5 , that, depending upon the amount of water it absorbs, forms orthophosphoric acid, metaphosphoric acid, or pyrophosphoric acid, produced by the burning of phosphorus in dry air: used in the preparation of phosphoric acids, as a drying and dehydrating agent, and in organic synthesis.
  • photoconductive cell — Electronics. a photocell whose resistance varies according to the intensity of light falling on it.
  • physical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
  • physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
  • pleased with oneself — If someone seems very satisfied with something they have done, you can say that they are pleased with themselves, especially if you think they are more satisfied than they should be.
  • posted write-through — A cache with a posted write-through policy (e.g. Intel 80386) delays the write-back to main memory until the bus is not in use.
  • potassium dichromate — an orange-red crystalline soluble solid substance that is a good oxidizing agent and is used in making chrome pigments and as a bleaching agent. Formula: K2Cr2O7
  • poza rica de hidalgo — a city in N Veracruz, in E Mexico.
  • pride of the morning — light mist or precipitation observed at sea in the morning and regarded as indicating a fine day.
  • prohibited substance — a substance, such as a drug, etc, that is banned or forbidden by law or other authority
  • proof of the pudding — the true value or quality of something, as seen when it is experienced, tried, or put to use: The proof of the pudding for a business is what customers say about it.
  • prosthetic dentistry — prosthodontics.
  • pseudo-psychological — of or relating to psychology.
  • schizoid personality — sb with identity disorder
  • sharp-tailed sparrow — a sparrow, Ammospiza caudacuta, inhabiting salt marshes in North America, having narrow, sharply pointed tail feathers.
  • spherical coordinate — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
  • spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
  • switchboard operator — a person who operates an installation in a telephone exchange, office, hotel, etc, at which the interconnection of telephone lines is manually controlled
  • third-party software — software created by programmers or publishers independent of the manufacturer of the hardware for which it is intended.
  • to disturb the peace — If someone is accused of disturbing the peace, they are accused of behaving in a noisy and offensive way in public.
  • to keep your hand in — If you do something to keep your hand in, you practise a skill or hobby occasionally in order to remain fairly good at it.
  • under the impression — If you are under the impression that something is the case, you believe that it is the case, usually when it is not actually the case.
  • under the microscope — If you say that something is under the microscope, you mean that it is being studied very closely, usually because it is believed that something is wrong with it.
  • video graphics array — (hardware)   (VGA) A display standard for IBM PCs, with 640 x 480 pixels in 16 colours and a 4:3 aspect ratio. There is also a text mode with 720 x 400 pixels. IBM technical references define the *product name* of their original VGA display board as "Video Graphics Array", in contrast to the preceding boards, the "Color Graphics Adapter" (CGA) and "Enhanced Graphics Adapter" (EGA). See also Super Video Graphics Adapter.
  • without prejudice to — If you take an action without prejudice to an existing situation, your action does not change or harm that situation.
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