13-letter words containing n, o, i, s, y
- plastic money — credit cards, used instead of cash
- pneumatolysis — the process by which rocks are altered or minerals and ores are formed by the action of vapors given off by magma.
- points system — a system used to assess applicants' eligibility for local authority housing, based on (points awarded for) such factors as the length of time the applicant has lived in the area, how many children are in the family, etc
- polycistronic — of or relating to the transcription of two or more adjacent cistrons into a single messenger RNA molecule.
- polydaemonism — the belief in many evil spirits.
- polynomialism — a polynomial naming system
- polysynthetic — (of a language) characterized by a prevalence of relatively long words containing a large number of affixes to express syntactic relationships and meanings. Many American Indian languages are polysynthetic. Compare analytic (def 3), synthetic (def 3).
- possessionary — of, relating to, or characterized by possession
- postcranially — affecting the postcranium
- postembryonic — occurring after the embryonic phase.
- pretentiously — characterized by assumption of dignity or importance, especially when exaggerated or undeserved: a pretentious, self-important waiter.
- processionary — of, relating to, or moving in a procession
- provisionally — providing or serving for the time being only; existing only until permanently or properly replaced; temporary: a provisional government.
- 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.
- psychogenesis — genesis of the psyche.
- psychogenetic — genesis of the psyche.
- psychokinesis — the purported ability to move or deform inanimate objects, as metal spoons, through mental processes.
- psychotogenic — a substance that causes a psychotic reaction.
- punctiliously — extremely attentive to punctilios; strict or exact in the observance of the formalities or amenities of conduct or actions.
- pycnidiospore — the fruiting body of certain fungi, which contains spore-bearing cells
- questioningly — In a questioning manner.
- ray tomlinson — (person) An engineer at Bolt Beranek and Newman who, in July 1972 while designing the first[?] electronic mail program, chose the commercial at symbol "@" to separate the user name from the computer name.
- reasonability — agreeable to reason or sound judgment; logical: a reasonable choice for chairman.
- relay station — a radio station that receives radio signals and retransmits them, in order to extend their range
- resynchronize — to synchronize again
- ripstop nylon — a nylon fabric woven with a double thread approximately every quarter inch to prevent the expansion of small rips.
- rogation days — Usually, rogations. Ecclesiastical. solemn supplication, especially as chanted during procession on the three days (Rogation Days) before Ascension Day.
- royal marines — a corps of soldiers specially trained in amphibious warfare
- running story — a story continued in subsequent issues of a newspaper or magazine; serial.
- sacrosanctity — extremely sacred or inviolable: a sacrosanct chamber in the temple.
- saint anthony — Antony, Mark.
- saint gregory — Saint (Hildebrand) c1020–85, Italian ecclesiastic: pope 1073–85.
- salpingectomy — excision of the Fallopian tube.
- salpingostomy — the formation of an artificial opening into a Fallopian tube.
- scoping study — a preliminary study to define the scope of a project
- seasonability — fact of being seasonable
- security zone — an area controlled by security forces
- sedimentology — the study of sedimentary rocks.
- self-hypnosis — autohypnosis.
- semi-autonomy — the quality or state of being semiautonomous.
- sensationally — producing or designed to produce a startling effect, strong reaction, intense interest, etc., especially by exaggerated, superficial, or lurid elements: a sensational novel.
- sententiously — abounding in pithy aphorisms or maxims: a sententious book.
- serpiginously — in a serpiginous manner; in the manner characteristic of serpigo
- shoeshine boy — a man or boy who cleans shoes
- siege economy — an economy in which the export of capital is limited and import controls are imposed
- significatory — serving to signify
- silicon alley — an area of New York City in which industries associated with information technology are concentrated
- single-storey — (of a building) having only one floor or level
- situationally — manner of being situated; location or position with reference to environment: The situation of the house allowed for a beautiful view.
- sound library — a collection of sounds stored on file (for example on CDs, DVDs, or as digital audio files)