13-letter words containing a, d, r, s, h
- pass the word — If you pass the word, you tell someone something that another person has told you.
- pedal pushers — women's short trousers
- phase diagram — a graph, usually using temperature, pressure, and composition as coordinates, indicating the regions of stability of the various phases of a system.
- posix threads — (programming) (Pthreads) A POSIX standard API that defines a set of C programming language types, functions and constants for creating and manipulating pre-emptive threads. The standard's full name is "POSIX.1c, Threads extensions (IEEE Std 1003.1c-1995)". Implementations are available on many Unix-like POSIX-conformant operating systems such as FreeBSD, NetBSD, OpenBSD, GNU/Linux, Mac OS X and Solaris as well as DR-DOS and Microsoft Windows. Pthreads was designed and implemented in the PART Project (POSIX / Ada-Runtime Project).
- pressure head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- prosthodontia — the branch of dentistry that deals with the restoration and maintenance of oral function by the replacement of missing teeth and other oral structures by artificial devices.
- pseudepigraph — a book or piece of writing that is falsely titled or credited
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadriphonics — quadraphony.
- radhakrishnan — Sir Sarvepalli [suhr-vuh-puhl-ee] /ˌsʌr vəˈpʌl i/ (Show IPA), 1888–1975, president of India 1962–67.
- radiesthesist — a practitioner of radiesthesia
- ragged school — (in Britain, formerly) a free elementary school for poor children
- rayleigh disc — a small light disc suspended in the path of a sound wave, used to measure the intensity of the sound by analysing the resulting deflection of the disc
- rayleigh disk — a small circular disk, usually of mica, that is suspended from a fiber and tends to be deflected at right angles to a stream of air, indicating by its deflection the intensity of a sound wave.
- reestablished — to found, institute, build, or bring into being on a firm or stable basis: to establish a university; to establish a medical practice.
- resident head — someone who is charge of running and supervising a student residence
- residual heat — heat that remains or lingers after something has been hot or heated up
- rhodesian man — an extinct Pleistocene human whose cranial remains were found at Kabwe, in Zambia: formerly in some classifications Homo rhodesiensis but now considered archaic Homo sapiens.
- saber-toothed — having long, saberlike upper canine teeth, sometimes extending below the margin of the lower jaw.
- sachet-powder — a small bag, case, or pad containing perfuming powder or the like, placed among handkerchiefs, lingerie, etc., to impart a pleasant scent.
- sacred thread — a cord worn by Hindus of the three upper castes as a sign of being twice-born or initiated into the Vedas.
- sandwich tern — a European tern, Sterna sandvicensis, that has a yellow-tipped bill, whitish plumage, and white forked tail, and nests in colonies on beaches, etc
- scabbard fish — any of several marine fishes having a long, compressed, silvery body, especially a cutlassfish, Trichiurus lepturus, of the western Atlantic.
- scalenohedral — a hemihedral crystal form of 8 or 12 faces, each face being a scalene triangle.
- scalenohedron — a hemihedral crystal form of 8 or 12 faces, each face being a scalene triangle.
- schadenfreude — satisfaction or pleasure felt at someone else's misfortune.
- scratch video — the technique or practice of recycling images from films or television to make collages
- scratchpad ii — See Scratchpad I, AXIOM.
- seed merchant — someone that collects, packages and sells seeds
- seventh grade — school year: age 12-13
- shaft encoder — A shaft encoder is a sensor for measuring how fast a shaft rotates.
- shaped charge — a warhead having a concave, hollow end and operating on the Munroe effect.
- sharp-sighted — having keen sight.
- sharp-tongued — characterized by or given to harshness, bitterness, or sarcasm in speech.
- shear modulus — The shear modulus of a material is how stiff or rigid it is. It is equal to the shear stress divided by the shear strain.
- shearing shed — a farm building equipped with power machinery for sheepshearing and equipment for baling wool
- shield bearer — an attendant who carries the shield or arms of a warrior.
- ship chandler — a person who deals in cordage, canvas, and other supplies for ships.
- ship decanter — a glass decanter with a very wide base.
- short-staffed — A company or place that is short-staffed does not have enough people working there.
- short-waisted — of less than average length between the shoulders and waistline; having a high waistline.
- shoulder arms — to bring the rifle vertically close to the right side with the muzzle uppermost and held at the trigger guard
- shrove monday — the Monday before Ash Wednesday.
- shrove sunday — the Sunday before Ash Wednesday; Quinquagesima.
- shunting yard — a place where railway coaches are manoeuvred
- sidereal hour — a 24th part of a sidereal day
- sight reading — the act or skill of performing unfamiliar written music, or of translating something written in a foreign language, readily on sight, without previous study
- silver halide — a compound in which silver is combined with a halogen, as silver chloride, bromide, or iodide.
- silver-haired — having silver coloured hair
- single thread — the execution of an entire task from beginning to end without interruption