13-letter words containing a, t, e, m, p, s
- plethysmogram — the recording of a plethysmograph.
- pneumatolysis — the process by which rocks are altered or minerals and ores are formed by the action of vapors given off by magma.
- pneumogastric — of or relating to the lungs and stomach.
- pompton lakes — a town in NE New Jersey.
- portal system — a vascular arrangement in which blood from the capillaries of one organ is transported to the capillaries of another organ by a connecting vein or veins.
- post-marriage — (broadly) any of the diverse forms of interpersonal union established in various parts of the world to form a familial bond that is recognized legally, religiously, or socially, granting the participating partners mutual conjugal rights and responsibilities and including, for example, opposite-sex marriage, same-sex marriage, plural marriage, and arranged marriage: Anthropologists say that some type of marriage has been found in every known human society since ancient times. See Word Story at the current entry.
- postage meter — an office machine used in bulk mailing that imprints prepaid postage and a dated postmark.
- postage stamp — small adhesive label for mail
- postage-stamp — of very small area or size: a postage-stamp bikini.
- postmenstrual — of or relating to menstruation or to the menses.
- posttreatment — an act or manner of treating.
- postvasectomy — of or occurring in the period after a vasectomy
- potato-masher — a kitchen implement used to crush or mash potatoes
- praetorianism — the control of a society by force or fraud, especially when exercised through titular officials and by a powerful minority.
- 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-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.
- prebasic molt — the molt by which most birds replace all of their feathers, usually occurring annually after the breeding season.
- primary tense — in Latin, Greek, and Sanskrit, a tense referring to present or future time
- primrose path — a way of life devoted to irresponsible hedonism, often of a sensual nature: The evangelist exhorted us to avoid the primrose path and stick to the straight and narrow.
- prison inmate — a person who is confined in a prison
- privateersman — an officer or sailor of a privateer.
- problem state — IBM jargon for user mode, the opposite of "supervisor state". On IBM System 360, 370 and 390 mainframes privileged instructions may only be executed in "supervisor state". Application programs request the operating system to perform these operations by using the Supervisor Call (SVC) instruction.
- prostatectomy — excision of part or all of the prostate gland.
- protest march — public demonstration
- protestantism — the religion of Protestants.
- prudentialism — a regard for prudential, rather than moral, considerations
- pythian games — (in ancient Greece) the second most important Panhellenic festival, celebrated in the third year of each Olympiad near Delphi. The four-year period between celebrations was known as a Pythiad (ˈpɪθɪˌæd )
- representamen — (in semiotics) a sign or signifier, whether physical or otherwise, which points to an object
- revenue stamp — a stamp showing that a governmental tax has been paid.
- salpingectomy — excision of the Fallopian tube.
- sample letter — an example of a particular type of letter intended to show people how to construct their own letter
- semi-parasite — Biology. commonly parasitic but also capable of living on dead or decaying animal matter.
- semi-tropical — Semi-tropical places have warm, wet air.
- semipalatinsk — a city in NE Kazakhstan, on the Irtysh River.
- semipalmation — the state of being semipalmate
- semiparasitic — Biology. commonly parasitic but also capable of living on dead or decaying animal matter.
- semipermanent — not quite permanent.
- semipolitical — of a partially political nature; having some political features.
- septempartite — separated into seven sections.
- slipstreaming — Aeronautics. the airstream pushed back by a revolving aircraft propeller. Compare backwash (def 2), wash (def 31).
- slumber party — a social gathering typically of teenagers held at the home of one of them for the purpose of sleeping there overnight.
- spa treatment — a non-medical procedure to help the health of the body, such as a massage
- space tourism — travel into space for recreational purposes
- sparcsystem 4 — (computer) A computer built with the MicroSPARC ii 70MHz CPU as used in the SPARC 5 Model 70. The SPARCsystem 4 is basically a cheaper, cut-down SPARC 5. It has an 8-bit pixel accelerator instead of the SBus Turbo GX card. Memory expansion is limited to 160 MB. Availability was planned for March/April 1995.
- spenta amesha — Amesha Spenta.
- spenta mainyu — the good and creative spirit that is the offspring of Ahura Mazda.
- spermatangium — the organ that produces spermatia in red algae.
- spermatoblast — a reproductive cell
- spermatogenic — relating to the development of spermatozoa
- spermatophore — a capsule surrounding a mass of spermatozoa, produced by the male of various animal species and transferred to the female.