13-letter words containing a, c, s, e, o
- pseudoaquatic — not aquatic but indigenous to moist regions.
- pseudoclassic — falsely or spuriously classic.
- psychoanalyse — to investigate or treat by psychoanalysis.
- psychoanalyze — to investigate or treat by psychoanalysis.
- psychobabbler — a person who uses psychobabble
- psychographer — a person who writes a psychograph; a psychological or psychographic biographer.
- psychotherapy — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- pucciniaceous — (of a fungus) belonging to the genus Puccinia
- racket sports — sports, such as tennis, squash, badminton, etc, that are played using a racket
- radio silence — the absence, usually deliberately maintained, of radio transmissions
- radiopacities — opaque to radiation; visible in x-ray photographs and under fluoroscopy (opposed to radiotransparent).
- radius vector — Mathematics. the length of the line segment joining a fixed point or origin to a given point.
- ragged school — (in Britain, formerly) a free elementary school for poor children
- raking course — a concealed course of bricks laid diagonally to the wall surface in a raking bond.
- random access — designating or of a volatile memory that allows data to be accessed directly and does not require following a sequence of storage locations
- random-access — direct-access.
- re-escalation — the act of re-escalating
- reacquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- reactionarism — of, pertaining to, marked by, or favoring reaction, especially extreme conservatism or rightism in politics; opposing political or social change.
- reassociation — an organization of people with a common purpose and having a formal structure.
- recessionista — a person whose clothes, whether cheap, second-hand, or suitably subdued, are considered appropriate to an economic downturn
- recitationist — someone who gives recitations
- reconsecrated — to make or declare sacred; set apart or dedicate to the service of a deity: to consecrate a new church building.
- reconsolidate — to bring together (separate parts) into a single or unified whole; unite; combine: They consolidated their three companies.
- recreationist — a person who advocates that national parks, seashores, lakes, etc., be preserved in their natural state for recreation, farming, or scientific study.
- regionalistic — Government. the principle or system of dividing a city, state, etc., into separate administrative regions.
- remote access — Remote access is a system which allows you to gain access to a particular computer or network using a separate computer.
- reorchestrate — to orchestrate (a piece of music) again
- reprographics — reprography.
- research work — work concerning research into or investigation into a subject, topic, etc, particularly in the sciences
- resuscitation — to revive, especially from apparent death or from unconsciousness.
- rhesus factor — Rh factor.
- rhinoscleroma — an inflammatory bacterial disease of the nose that is mostly found in Africa and Central America
- rochelle salt — a white crystalline double salt, sodium potassium tartrate, used in Seidlitz powder. Formula: KNaC4H4O6.4H2O
- rocking shear — a shear having a curved blade that cuts with a rocking motion.
- roger-ducasse — Jean Jules Amable [zhahn zhyl a-ma-bluh] /ʒɑ̃ ʒül aˈma blə/ (Show IPA), 1873–1954, French composer.
- rogue's march — a derisive tune played to accompany a person's expulsion from a regiment, community, etc.
- rollercoaster — a small gravity railroad, especially in an amusement park, having a train with open cars that moves along a high, sharply winding trestle built with steep inclines that produce sudden, speedy plunges for thrill-seeking passengers.
- rose of china — China rose (def 2).
- rousseauistic — the doctrines or principles of Jean Jacques Rousseau or his adherents.
- royal society — The Royal Society of London for the Advancement of Science, a society through which the British government has supported scientific investigation since 1662: awards four annual medals.
- saccharometer — an instrument for measuring the amount of sugar in a solution, as by determining the specific gravity of the solution.
- saccharometry — the process of determining the quantity of sugar in a solution
- saccharomyces — a fungus of the genus Saccharomyces, esp the yeast plant
- sacerdotalism — the system, spirit, or methods of the priesthood.
- sacerdotalize — to submit (something) to sacerdotalism
- sacher-masoch — Leopold von [ley-oh-pohlt fuh n] /ˈleɪ oʊˌpoʊlt fən/ (Show IPA), 1836–95, Austrian novelist.
- 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 baboon — hamadryas baboon.
- sacred bamboo — nandina.