13-letter words containing a, c, h, i, s
- photodynamics — the science dealing with light and its effects on living organisms.
- photovoltaics — (used with a singular verb) a field of semiconductor technology involving the direct conversion of electromagnetic radiation as sunlight, into electricity.
- physharmonica — a keyboard musical instrument fitted with free reeds, and which is an early form of harmonium
- physical file — (file system) A low-level view of the physical characteristics of a file, such as its location on a disk or its physical structure, for example, whether indexed or sequential.
- physicalistic — of or relating to physicalism.
- physicalities — the physical attributes of a person, especially when overdeveloped or overemphasized.
- physicianship — the position, function, or office of a physician.
- physiographic — the science of physical geography.
- physiological — of or relating to physiology.
- pitch surface — (in a gear or rack) an imaginary surface forming a plane (pitch plane) a cylinder (pitch cylinder) or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed.
- plain-clothes — Plain-clothes police officers wear ordinary clothes instead of a police uniform.
- poison sumach — an anacardiaceous swamp shrub, Rhus (or Toxicodendron) vernix of the southeastern US, that has greenish-white berries and causes an itching rash on contact with the skin
- pre christmas — the annual festival of the Christian church commemorating the birth of Jesus: celebrated on December 25 and now generally observed as a legal holiday and an occasion for exchanging gifts.
- pre-christian — of, relating to, or belonging to a time or period before the Christian Era.
- pre-christmas — the annual festival of the Christian church commemorating the birth of Jesus: celebrated on December 25 and now generally observed as a legal holiday and an occasion for exchanging gifts.
- preanesthetic — a substance that produces a preliminary or light anesthesia.
- principalship — first or highest in rank, importance, value, etc.; chief; foremost.
- promonarchist — the principles of monarchy.
- psilanthropic — relating to psilanthropism
- psychasthenia — Psychiatry. (no longer in technical use) a neurosis marked by fear, anxiety, phobias, etc.
- psychasthenic — a person who has psychasthenia
- psychodynamic — Psychology. any clinical approach to personality, as Freud's, that sees personality as the result of a dynamic interplay of conscious and unconscious factors.
- psychographic — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- psychological — of or relating to psychology.
- psychosomatic — of or relating to a physical disorder that is caused by or notably influenced by emotional factors.
- psychotically — Psychiatry. characterized by or afflicted with psychosis. Synonyms: (in nontechnical usage) insane, psychopathic, lunatic, mentally ill; mad, disturbed, deranged, demented, non compos mentis. Antonyms: sane; compos mentis, clearheaded, lucid.
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadriphonics — quadraphony.
- 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
- reprographics — reprography.
- rhinoscleroma — an inflammatory bacterial disease of the nose that is mostly found in Africa and Central America
- richter scale — a scale, ranging from 1 to 10, for indicating the intensity of an earthquake.
- rocking shear — a shear having a curved blade that cuts with a rocking motion.
- rose of china — China rose (def 2).
- saccharimeter — an optical instrument for determining the strength of sugar solutions by measuring the rotation of the plane of polarized light they produce.
- saccharimetry — the process of measuring the amount of sugar in a sample, as with a saccharimeter or by polarimetry.
- saccharolytic — of or causing the hydrolysis of sugars.
- saddle-stitch — to sew, bind, or decorate with a saddle stitch.
- sadomasochism — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- sadomasochist — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- saint michael — one of the archangels. Feast day: Sept 29 or Nov 8
- sand-yachting — the sport of riding in a sand yacht
- sandwich beam — flitch beam.
- sandwich cake — a cake that is made up of two or more layers with a jam or other filling
- sandwich coin — a coin having a layer of one metal between outside layers of another, as a quarter with a layer of copper between layers of silver.
- sandwich loaf — a loaf of the type of soft white sliced bread often used to make sandwiches
- 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
- saratoga chip — potato chip.
- scabbard fish — any of several marine fishes having a long, compressed, silvery body, especially a cutlassfish, Trichiurus lepturus, of the western Atlantic.
- schematically — pertaining to or of the nature of a schema, diagram, or scheme; diagrammatic.