17-letter words containing d, a, c, p
- fiddleback spider — brown recluse spider.
- foucault pendulum — a pendulum that demonstrates the rotation of the earth by exhibiting an apparent change in its plane of oscillation.
- fourfold purchase — a tackle that is composed of a rope passed through two fourfold blocks in such a way as to provide mechanical power in the ratio of 1 to 5 or 1 to 4, depending on whether hauling is done on the running or the standing block and without considering friction. Compare tackle (def 2).
- frames per second — (unit) (fps) The unit of measurement of the frame rate of a moving image.
- gnu privacy guard —
- green peach aphid — an aphid, Myzus persicae, that is a pest of many fruit trees, ornamentals, and vegetables and a vector of certain viral plant diseases.
- greensand process — a process for casting iron with sand not previously heated.
- grey-faced petrel — a dark-coloured New Zealand petrel, Pterodroma macroptera gouldi
- gunboat diplomacy — diplomatic relations involving the use or threat of military force, especially by a powerful nation against a weaker one.
- handicap register — a list of the disabled people in its area that a local authority had a duty to compile under the Chronically Sick and Disabled Persons Act 1970
- heptanedioic acid — pimelic acid.
- humpbacked bridge — A humpbacked bridge or humpback bridge is a short and very curved bridge with a shape similar to a semi-circle.
- hydrotherapeutics — hydrotherapy.
- hypochlorous acid — a weak, unstable acid, HOCl, existing only in solution and in the form of its salts, used as a bleaching agent and disinfectant.
- hypochondriacally — In a hypochondriacal manner.
- illegal procedure — a penalty assessed against the offensive team for a technical rules violation, as in assuming an illegal formation.
- incandescent lamp — a lamp that emits light due to the glowing of a heated material, especially the common device in which a tungsten filament enclosed within an evacuated glass bulb is rendered luminous by the passage of an electric current through it.
- incubation period — the period between infection and the appearance of signs of a disease.
- indecipherability — Quality of being indecipherable.
- independence hall — the building in Philadelphia where the Declaration of Independence was signed.
- indian rope-trick — the supposed Indian feat of climbing an unsupported rope
- indicator species — See at indicator (def 6).
- integrated optics — an assembly of miniature optical elements of a size comparable to those used in electronic integrated circuits.
- interdisciplinary — combining or involving two or more academic disciplines or fields of study: The economics and history departments are offering an interdisciplinary seminar on Asia.
- kaleidoscopically — of, relating to, or created by a kaleidoscope.
- landscape painter — artist who depicts natural scenery
- landscaped garden — a garden that has been artistically designed
- legal proceedings — court case
- linear dependence — (in linear algebra) the property of a set of elements in a vector space in which at least one of the vectors in the set can be written as a linear combination of the others.
- lipopolysaccaride — a molecule, consisting of lipid and polysaccharide components, that is the main constituent of the cell walls of Gram-negative bacteria
- load displacement — the weight, in long tons, of a cargo vessel loaded so that the summer load line touches the surface of the water.
- medical procedure — A medical procedure is a medical treatment or operation.
- metaperiodic acid — the crystalline compound HIO4, an oxyacid of iodine
- microencapsulated — Encapsulated using microencapsulation.
- moon and sixpence — a novel (1919) by W. Somerset Maugham.
- mounted policeman — policemen who patrol on horseback
- multidisciplinary — composed of or combining several usually separate branches of learning or fields of expertise: a multidisciplinary study of the 18th century.
- muscle dysmorphia — a mental disorder primarily affecting males, characterized by obsessions about a perceived lack of muscularity, leading to compulsive exercising, use of anabolic steroids, etc. Compare body dysmorphic disorder.
- occipital condyle — a protrusion on the occipital bone of the skull that forms a joint with the first cervical vertebra, enabling the head to move relative to the neck.
- paradoxical sleep — REM sleep.
- paraperiodic acid — the crystalline compound H5IO6, an oxyacid of iodine
- parathyroidectomy — the excision of a parathyroid gland.
- paratungstic acid — an oxyacid acid of tungsten. Formula: H10W12O14
- parted per tierce — tierced.
- passive obedience — unquestioning obedience to authority
- peaches and cream — If you say that a woman or a girl has a peaches and cream complexion, you mean that she has very clear, smooth, pale skin.
- performance drugs — the drugs that are taken illegally by athletes to enhance their sporting performance
- periodical cicada — seventeen-year locust.
- peripheral device — peripheral
- personal distance — personal space.