15-letter words containing a, c, h, t, e, s
- overorchestrate — to compose or arrange excessively
- pachymeningitis — inflammation of the dura mater of the brain and spinal cord
- packet-switched — packet switching
- parasympathetic — pertaining to that part of the autonomic nervous system consisting of nerves and ganglia that arise from the cranial and sacral regions and function in opposition to the sympathetic system, as in inhibiting heartbeat or contracting the pupil of the eye.
- pass-the-parcel — a children's game in which a parcel with lots of wrappings is passed round while music plays; each time the music stops the person holding the parcel takes a layer of wrapping off
- penshurst place — a 14th-century mansion near Tunbridge Wells in Kent: birthplace of Sir Philip Sidney; gardens laid out from 1560
- 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
- pheasant coucal — a brown and black, red-eyed Australian bird, Centropus phasianinus, with a pheasantlike tail.
- phenakistoscope — an early form of a zoetrope in which figures are depicted in different poses around the edge of a disc. When the disc is spun, and the figures observed through the apertures around the edge of the disc, they appear to be moving
- phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
- phosphocreatine — a compound, C 4 H 1 0 O 5 N 3 P, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction.
- photodissociate — to split or break up molecules as a result of the absorption of photons
- photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
- pistachio green — a light or medium shade of yellow green.
- pitch blackness — extreme darkness; lack of light
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- planter's punch — a punch made with rum, lime juice, sugar, and water or soda.
- posthemorrhagic — occurring after a haemorrhage
- power macintosh — Power Mac
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- psychogeriatric — the psychology of old age.
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- quasi-technical — belonging or pertaining to an art, science, or the like: technical skill.
- raster graphics — (graphics) Computer graphics in which an image is composed of an array of pixels arranged in rows and columns. Opposite: vector graphics.
- reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating
- reserve tranche — the quota of 25 per cent to which a member of the IMF has unconditional access. Prior to 1978 it was paid in gold and known as the gold tranche
- reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
- 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.
- rocket research — research into rocket engines for spacecraft
- saccharomycetes — a collective name for yeasts
- saddle-stitched — having a binding in which the sections of a publication are inserted inside each other and secured through the middle fold with thread, or wire staples
- sarcenchymatous — relating to the connective tissue of some sponges
- saskatchewanian — a native or inhabitant of Saskatchewan
- scared shitless — terrified
- scared to death — terrified
- scarlet lychnis — a plant, Lychnis chalcedonica, of the pink family, having scarlet or sometimes white flowers, the arrangement and shape of the petals resembling a Maltese cross.
- scatter cushion — Scatter cushions are small cushions for use on sofas and chairs.
- scheduled caste — (in India) the official name given to the lower castes that are now protected by the government and offered special concessions.
- schiffs-reagent — a solution of rosaniline and sulfurous acid in water, used to test for the presence of aldehydes.
- schillerization — the process of altering crystals to produce schiller
- school teaching — School teaching is the work done by teachers in a school.
- school-gate mum — a young family-oriented working mother, considered by political parties as forming a significant part of the electorate
- scottish gaelic — the Gaelic of the Hebrides and the Highlands of Scotland, also spoken as a second language in Nova Scotia.
- scrape together — to deprive of or free from an outer layer, adhering matter, etc., or to smooth by drawing or rubbing something, especially a sharp or rough instrument, over the surface: to scrape a table to remove paint and varnish.
- security thread — a colored thread running through the paper of a piece of paper money, used to deter counterfeiting.
- security threat — a threat to the security of a country
- see the back of — to be rid of
- semilogarithmic — (of graphing) having one scale logarithmic and the other arithmetic or of uniform gradation.