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12-letter words containing a, d, f, r

  • deafferented — Simple past tense and past participle of deafferent.
  • defederalize — to shift the functions or powers of (an agency, service, etc.) from the jurisdiction of the federal government to that of state or local government: to defederalize construction loans.
  • defenestrate — to throw (a person or a thing) out of a window
  • defibrillate — to stop fibrillation of (the heart), as by the use of electric current
  • deflagrating — Present participle of deflagrate.
  • deflagration — Deflagration is an explosion in which the speed of burning is lower than the speed of sound in the surroundings.
  • deflationary — A deflationary economic policy or measure is one that is intended to or likely to cause deflation.
  • deformalized — Simple past tense and past participle of deformalize.
  • deformations — Plural form of deformation.
  • deformed bar — a rod for reinforcing concrete, having surface irregularities, as transverse ridges, to improve the bond.
  • defragmented — Simple past tense and past participle of defragment.
  • defragmenter — (computing) That which defragments; a program that performs defragmentation.
  • defraudation — (obsolete) The act of defrauding; a taking by fraud.
  • dibenzofuran — an organic compound (C12H8O) composed of two benzene rings fused to a central furan ring
  • differentiae — Plural form of differentia.
  • differential — of or relating to difference or diversity.
  • diffrangible — capable of being diffracted
  • disfranchise — to deprive (a person) of a right of citizenship, as of the right to vote.
  • disgracefull — Archaic form of disgraceful.
  • disqualifier — One who, or that which, disqualifies.
  • disregardful — neglectful; careless.
  • draft animal — an animal used for pulling heavy loads.
  • draft dodger — a person who evades or attempts to evade compulsory military service.
  • draft letter — the first version of a letter
  • draftsperson — a person employed in making mechanical drawings, especially in an architectural or engineering firm.
  • dram refresh — (storage)   The operation which cycles through a DRAM reading each row and writing it back again to compensate for the gradual leakage of charge from the capacitors which store the data. This may be done by the CPU but is often done by a dedicated memory controller.
  • draughtproof — That prevents the access of draughts.
  • dreadfulness — The characteristic of being dreadful.
  • dreamfulness — the quality of being full of dreams
  • drift anchor — a sea anchor or drag.
  • duty of care — the legal obligation to safeguard others from harm while they are in your care, using your services, or exposed to your activities
  • dwarf cherry — any of several low, North American cherries that grow on dry or sandy soil, especially Prunus pumila, of the Great Lakes region.
  • dwarf cornel — the bunchberry.
  • dwarf laurel — a low North American shrub, Kalmia angustifolia, of the heath family, having oblong leaves poisonous to grazing animals.
  • dwarf mallow — cheese1 (def 5).
  • dwarf planet — a spherical celestial body revolving about the sun, similar to a planet but not large enough to gravitationally clear its orbital region of most or all other celestial bodies. Pluto is a dwarf planet.
  • dye transfer — a photographic printing method by which a full-color image is produced by the printing of separate cyan, magenta, and yellow images from individual gelatin relief matrices.
  • enfranchised — Simple past tense and past participle of enfranchise.
  • face-centred — (of a crystal) having a lattice point at the centre of each face of each unit cell as well as at the corners
  • fainthearted — lacking courage; cowardly; timorous.
  • fair-skinned — having pale skin; pale-complexioned
  • fairchild f8 — (processor)   An 8-bit microprocessor. The processor itself had no address bus - program and data memory access were contained in separate units, which reduced the number of pins and the associated cost. It also featured 64 registers, accessed by the ISAR register in cells (register windows) of eight, which meant external RAM wasn't always needed for small applications. In addition, the 2-chip processor didn't need support chips, unlike others which needed seven or more. The F8 inspired other similar CPUs, such as the Intel 8048. The use of the ISAR register allowed a subroutine to be entered without saving a bunch of registers, speeding execution - the ISAR would just be changed. Special purpose registers were stored in the second cell (regs 9-15), and the first eight registers were accessed directly. The windowing concept was useful, but only the register pointed to by the ISAR could be accessed - to access other registers the ISAR was incremented or decremented through the window.
  • faits divers — brief news stories, as those typically found in some French newspapers, that are sensational, lurid, etc.
  • fall forward — (communications)   A feature of a modem protocol where two modems which fall back to a lower speed because of data corruption can later return to the higher speed if the connection improves.
  • falling door — flap door (def 1).
  • false friend — a word or expression in one language that, because it resembles one in another language, is often wrongly taken to have the same meaning, for example, the French agenda which means diary, not agenda
  • falsehearted — Alternative spelling of false-hearted.
  • familiarised — Simple past tense and past participle of familiarise.
  • familiarized — to make (onself or another) well-acquainted or conversant with something.
  • far and away — at or to a great distance; a long way off; at or to a remote point: We sailed far ahead of the fleet.
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