15-letter words containing e, a, r, t, h, s
- posthemorrhagic — occurring after a haemorrhage
- potash feldspar — any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.
- power macintosh — Power Mac
- pre-established — to establish beforehand.
- probationership — the position of a probationer
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- propeller shaft — a shaft that transmits power from an engine to a propeller.
- pseudoarthrosis — a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united
- 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.
- raise one's hat — to take one's hat briefly off one's head as a greeting or mark of respect
- raise the devil — Theology. (sometimes initial capital letter) the supreme spirit of evil; Satan. a subordinate evil spirit at enmity with God, and having power to afflict humans both with bodily disease and with spiritual corruption.
- raster graphics — (graphics) Computer graphics in which an image is composed of an array of pixels arranged in rows and columns. Opposite: vector graphics.
- refreshment bar — a bar or stall that offers a variety of drinks for sale
- relative to sth — Relative to something means with reference to it or in comparison with it.
- release therapy — psychotherapy in which the patient finds emotional release in the expression of hostilities and emotional conflicts.
- 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.
- rhesus negative — relating to blood not containing Rhesus antigen D
- rheumatism-root — spotted wintergreen.
- rhodesian front — the governing party in Zimbabwe (then called Rhodesia) 1962–78
- 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
- rowland heights — a city in SW California, near Los Angeles.
- ruffle feathers — to cause upset or offence
- russian thistle — a saltwort, Salsola kali tenuifolia, that has narrow, spinelike leaves, a troublesome weed in the central and western U.S.
- saccharomycetes — a collective name for yeasts
- saffian leather — leather made of sheepskin or goatskin tanned with sumac and usually dyed a bright color
- sarcenchymatous — relating to the connective tissue of some sponges
- 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.
- 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
- 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
- self-authorized — given or endowed with authority: an authorized agent.
- semilogarithmic — (of graphing) having one scale logarithmic and the other arithmetic or of uniform gradation.
- separate school — (in Canada) a school for a large religious minority financed by its rates and administered by its own school board but under the authority of the provincial department of education
- serum hepatitis — hepatitis B.
- set by the ears — to cause disagreement or commotion
- seven-year itch — scabies.
- shadow minister — a member of the main opposition party in Parliament who would hold ministerial office if their party were in power
- shark repellent — any tactic used by a corporation to prevent a takeover by a corporate raider.
- shearing strain — a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
- shearing stress — a force causing two contacting parts or layers to slide upon each other, in opposite directions parallel to the plane of their contact