15-letter words containing d, i, c, t, a
- object distance — the distance between the lens of a camera and an object being photographed.
- occipitomastoid — (anatomy) Relating to, or connecting the occipital and mastoid bones.
- omnidirectional — sending or receiving signals in all directions: an omnidirectional microphone.
- orthoboric acid — boric acid (def 1). Compare ortho- (def 2).
- orthodontically — from an orthodontic point of view
- orthopaedic bed — a specially firm bed designed to help correct or ameliorate the discomfort of disorders of the spine and joints
- orthopaedically — in an orthopaedic manner
- outside caliper — a caliper whose legs turn inward so that it can measure outside dimensions, as the diameter of a rod.
- over-cultivated — to prepare and work on (land) in order to raise crops; till.
- overcapitalized — Simple past tense and past participle of overcapitalize.
- packet-switched — packet switching
- packing density — a measure of the amount of data that can be held by unit length of a storage medium, such as magnetic tape
- paid-in capital — finance: payments from investors
- pair production — Physics. the simultaneous creation of a particle and its antiparticle by a nucleus or particle in an excited state, as when a photon is absorbed.
- partial product — the result obtained when a number is multiplied by one digit of a multiplier
- patent medicine — a medicine sold without a prescription in drugstores or by sales representatives, and usually protected by a trademark.
- peak production — the maximum production
- pectoral girdle — (in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
- photodissociate — to split or break up molecules as a result of the absorption of photons
- piano reduction — a musical score having the parts condensed or simplified in two staves, to render the music playable on the piano by one person.
- pied flycatcher — a small black and white migratory bird of Europe and western Asia, Ficedula hypoleuca
- pitcairn island — a small British island in the S Pacific, SE of Tuamotu Archipelago: settled 1790 by mutineers of the Bounty. 2 sq. mi. (5 sq. km).
- pneumatic drill — a percussive power drill powered by compressed air
- point d'alencon — Alençon lace (def 1).
- point-and-click — of or denoting an interface with which the user typically interacts by using a mouse to move the cursor and then clicking on a screen object.
- polychlorinated — having multiple chlorine atoms
- 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.
- premodification — an act or instance of modifying.
- primary product — a product consisting of a natural raw material; an unmanufactured product
- pseudo-artistic — conforming to the standards of art; satisfying aesthetic requirements: artistic productions.
- pseudo-critical — inclined to find fault or to judge with severity, often too readily.
- pseudo-dramatic — of or relating to the drama.
- pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- pyramidal tract — any of four tracts of descending motor fibers that extend in pairs down each side of the spinal column and function in voluntary movement.
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- quadruplication — one of four copies or identical items, especially copies of typewritten material.
- quick-and-dirty — Informal. slipshod.
- radial velocity — the component of the motion of a star away from or toward the earth along its line of sight, expressed in miles or kilometers per second and determined by the shift in the wavelength of light emitted by the star.
- radio broadcast — sth transmitted via radio signal
- radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
- radiometrically — using a radiometric method, in terms of radiometry
- radiomicrometer — an instrument for measuring small amounts of radiant energy, consisting of a sensitive thermocouple connected to a galvanometer.
- radioprotection — protection against radiation
- radioprotective — giving protection against the effects of radiation
- radiotechnology — the technical application of any form of radiation to industry.
- radiotelemetric — of or relating to radiotelemetry
- re-adjudication — an act of adjudicating.
- reaccreditation — the act or process of reaccrediting something or someone
- recoil-operated — employing the recoil force of an explosive projectile to prepare the firing mechanism for the next shot.
- recombinant dna — DNA in which one or more segments or genes have been inserted, either naturally or by laboratory manipulation, from a different molecule or from another part of the same molecule, resulting in a new genetic combination.