15-letter words containing s, a, c, i
- psychedelicware — /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover.
- psychiatrically — the practice or science of diagnosing and treating mental disorders.
- psychoacoustics — the study of sound perception.
- psychobiography — a biographical study focusing on psychological factors, as childhood traumas and unconscious motives.
- psychodiagnosis — a psychological examination using psychodiagnostic techniques.
- psychogeriatric — the psychology of old age.
- psychographical — relating to psychographics
- psychohistorian — a person who writes psychohistory
- psychologically — of or relating to psychology.
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- public nuisance — act, thing: anti-social
- public speaking — the act of delivering speeches in public.
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- quadric surface — a three-dimensional surface whose equation is a quadratic equation.
- quantifications — Plural form of quantification.
- quarter section — (in surveying and homesteading) a square tract of land, half a mile on each side, thus containing ¼ sq. mi. or 160 acres. Abbreviation: q.s.
- quasi-automatic — having the capability of starting, operating, moving, etc., independently: an automatic sprinkler system; an automatic car wash.
- quasi-conscious — aware of one's own existence, sensations, thoughts, surroundings, etc.
- quasi-objective — something that one's efforts or actions are intended to attain or accomplish; purpose; goal; target: the objective of a military attack; the objective of a fund-raising drive.
- quasi-spherical — having the form of a sphere; globular.
- quasi-technical — belonging or pertaining to an art, science, or the like: technical skill.
- quasicontinuous — uninterrupted in time; without cessation: continuous coughing during the concert.
- quasihistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- quincentenaries — Plural form of quincentenary.
- radio broadcast — sth transmitted via radio signal
- radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
- raster graphics — (graphics) Computer graphics in which an image is composed of an array of pixels arranged in rows and columns. Opposite: vector graphics.
- rat-tail cactus — a cactus, Aporocactus flagelliformis, of Mexico, having slim, cylindrical stems that are easily trained into strange designs, and crimson flowers.
- ratafia biscuit — a macaroon.
- raw milk cheese — cheese or a cheese made with unpasteurized milk
- reception class — A reception class is a class that children go into when they first start school at the age of four or five.
- reconsideration — to consider again, especially with a view to change of decision or action: to reconsider a refusal.
- reconsolidation — an act or instance of consolidating; the state of being consolidated; unification: consolidation of companies.
- reconstitutable — to constitute again; reconstruct; recompose.
- recreationalist — recreationist.
- red-back spider — a venomous spider, Latrodectus hasselti, of Australia and New Zealand, related to the black widow spider and having a bright red stripe on the back.
- rediscount rate — the rate charged by the Federal Reserve Bank to member banks for rediscounting commercial paper.
- relative clause — a subordinate clause introduced by a relative pronoun, adjective, or adverb, either expressed or deleted, especially such a clause modifying an antecedent, as who saw you in He's the man who saw you or (that) I wrote in Here's the letter (that) I wrote.
- renaissance man — a cultured man of the Renaissance who was knowledgeable, educated, or proficient in a wide range of fields.
- 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.
- residual income — the remaining income (of a business or person) after necessary debts, expenses, etc, have been paid
- resocialization — the process of learning new attitudes and norms required for a new social role.
- respecification — the act of specifying.
- restricted area — out of bounds to military personnel
- resurrectionary — pertaining to or of the nature of resurrection.
- retail politics — a political strategy or campaign style of meeting and speaking directly to as many voters as possible: New Hampshire is a state where retail politics are decisive. Not every candidate is good at retail politics.
- reuben sandwich — a grilled sandwich of corned beef, Swiss cheese, and sauerkraut on rye bread.
- riemann surface — a geometric representation of a function of a complex variable in which a multiple-valued function is depicted as a single-valued function on several planes, the planes being connected at some of the points at which the function takes on more than one value.
- 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.