15-letter words containing a, t, c, h, i, s
- non-charismatic — of, having, or characteristic of charisma.
- non-mechanistic — of or relating to the theory of mechanism or to mechanists.
- noncatastrophic — of the nature of a catastrophe, or disastrous event; calamitous: a catastrophic failure of the dam.
- nonpsychiatrist — a person who is not a psychiatrist
- nonpsychoactive — Not psychoactive.
- north caucasian — a language family including all the Caucasian languages north of the Caucasian divide, as Kabardian and the Circassian language proper, and a few between the divide and the Black Sea, as Abkhazian.
- on the increase — growing, increasing
- ophthalmoscopic — Of, pertaining to or using an ophthalmoscope.
- orchestrational — Of or pertaining to orchestration.
- orthopsychiatry — an approach to psychiatry concerned with the study and treatment of behavioral disorders, especially of young people.
- pachymeningitis — inflammation of the dura mater of the brain and spinal cord
- packet-switched — packet switching
- panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
- 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.
- 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
- 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.
- physical optics — the branch of optics concerned with the wave properties of light, the superposition of waves, the deviation of light from its rectilinear propagation in a manner other than that considered by geometrical optics, the interaction of light with matter, and the quantum, corpuscular aspects of light.
- physicalization — to express in physical terms; give form or shape to: The dancers physicalized the mood of the music.
- 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.
- 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.
- psychiatrically — the practice or science of diagnosing and treating mental disorders.
- psychoacoustics — the study of sound perception.
- psychogeriatric — the psychology of old age.
- psychohistorian — a person who writes psychohistory
- 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.
- quasihistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- 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
- 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.
- 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
- sadomasochistic — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- saprophytically — any organism that lives on dead organic matter, as certain fungi and bacteria.
- saskatchewanian — a native or inhabitant of Saskatchewan
- scared shitless — 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