15-letter words containing p, a, s, t, r
- astrophotometry — the measurement of the intensity of light of celestial objects.
- astrophysically — from an astrophysical point of view
- astrophysicists — Plural form of astrophysicist.
- athletic sports — sports, esp track and field events, in which athleticism is required
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- australian alps — a mountain range in SE Australia, in E Victoria and SE New South Wales. Highest peak: Mount Kosciuszko, 2195 m (7316 ft)
- australian pine — casuarina
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.
- autoradiographs — Plural form of autoradiograph.
- autostereoscopy — The display of stereoscopic images without the use of special viewing equipment.
- autotransplants — Plural form of autotransplant.
- back plastering — the introduction of partitions of lath and plaster between the inner and outer surfaces of a stud wall in order to improve the insulating properties of the wall.
- backup software — (tool, software) Software for doing a backup, often included as part of the operating system. Backup software should provide ways to specify what files get backed up and to where. It may include its own scheduling function to automate the procedure or, preferably, work with generic scheduling facilities. It may include facilities for managing the backup media (e.g. maintaining an index of tapes) and for restoring files from backups. Examples are Unix's dump command and Windows's ntbackup.
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- bandpass filter — A bandpass filter is a filter designed to pass all frequencies within a band of frequencies.
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- baptism of fire — If someone who has just begun a new job has a baptism of fire, they immediately have to cope with very many severe difficulties and obstacles.
- barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
- battleship gray — a subdued bluish gray.
- bayeux tapestry — an 11th- or 12th-century embroidery in Bayeux, nearly 70.5 m (231 ft) long by 50 cm (20 inches) high, depicting the Norman conquest of England
- bias (ply) tire — a motor vehicle tire having a foundation of plies of rubberized cords in a crisscross pattern of lines diagonal to the center line of the tread
- biostratigraphy — the examination of the ages of rock strata by using fossils
- black september — a Palestinian Terrorist group, responsible for the assassinations of Israeli athletes at the Olympic Games at Munich in 1972
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- breathing space — A breathing space is a short period of time between two activities in which you can recover from the first activity and prepare for the second one.
- brushback pitch — a fast ball deliberately thrown at or too near a batter's head
- brussels carpet — a worsted carpet with a heavy pile formed by uncut loops of wool on a linen warp
- butler's pantry — a pantry in a large house where crockery, glassware, cutlery, etc is kept
- butter spreader — a small knife with a wide, flat blade, as for spreading butter on bread or rolls.
- cabinet scraper — a scraper used in preparing a wood surface for sanding.
- calliper splint — a splint consisting of two metal rods with straps attached, for supporting or exerting tension on the leg
- cape finisterre — a headland in NW Spain: the westernmost point of the Spanish mainland
- capital letters — a letter of the alphabet that usually differs from its corresponding lowercase letter in form and height, as A, B, Q, and R as distinguished from a, b, q, and r : used as the initial letter of a proper name, the first word of a sentence, etc.
- capital surplus — any surplus of a business firm not derived from direct earnings or profits
- captain's chair — a hardwood armchair having a low, curved back, formed of a single rail supported by spindles, and a saddle seat
- car transporter — a vehicle for carrying automobiles
- cardinal points — the four main points of the compass: north, south, east, and west
- carpentersville — a city in NE Illinois, near Chicago.
- carpometacarpus — a bone in the wing of a bird that consists of the metacarpal bones and some of the carpal bones fused together
- cartesian plane — Usually, Cartesian coordinates. a member of a system of coordinates for locating a point on a plane (Cartesian plane) by its distance from each of two intersecting lines, or in space by its distance from each of three planes intersecting at a point.
- cartesian space — ordinary two- or three-dimensional space.
- casparian strip — a band of suberized material around the radial walls of endodermal cells: impervious to gases and liquids
- cassette player — A cassette player is a machine that is used for playing cassettes and sometimes also recording them.
- cast aspersions — If you cast aspersions on someone or something, you suggest that they are not very good in some way.
- cast-iron plant — any of several plants belonging to the genus Aspidistra, of the lily family, native to eastern Asia, especially A. eliator, having large evergreen leaves often striped with white, and grown as a houseplant.
- castanospermine — a substance obtained from the Australian chestnut or black bean tree
- casters-up mode — [IBM, probably from slang belly up] Yet another synonym for "broken" or "down". Usually connotes a major failure. A system (hardware or software) which is "down" may be already being restarted before the failure is noticed, whereas one which is "casters up" is usually a good excuse to take the rest of the day off (as long as you're not responsible for fixing it).
- castner process — a process for extracting sodium from sodium hydroxide, devised by Hamilton Young Castner (1858–98)
- catastrophising — Present participle of catastrophise.