13-letter words containing h, e, p, t, a
- phytoplankter — a minute organism which constitutes part of phytoplankton
- piano teacher — tutor of piano-playing
- pitch surface — (in a gear or rack) an imaginary surface forming a plane (pitch plane) a cylinder (pitch cylinder) or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed.
- pitcher plant — any of various insectivorous New World bog plants of the genera Sarracenia, Darlingtonia, and Heliamphora, having tubular or trumpet-shaped leaves containing a liquid in which insects are trapped.
- plain-clothes — Plain-clothes police officers wear ordinary clothes instead of a police uniform.
- plant hormone — an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc.
- platform shoe — a shoe with a platform.
- platycephalic — having a head whose cranial vault is broad or flat.
- platyhelminth — any worm of the phylum Platyhelminthes; a flatworm.
- play the fool — behave in a silly way
- play the game — an amusement or pastime: children's games.
- play-the-ball — a method for bringing the ball back into play after a tackle, in which the tackled player is allowed to stand up and kick or heel the ball behind him or her to a team-mate
- pleasant hill — a city in W California, near San Francisco Bay.
- plethysmogram — the recording of a plethysmograph.
- pneumatograph — pneumograph.
- pneumatophore — Botany. a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
- pointy-headed — stupid; idiotic.
- polycythaemia — an abnormal condition of the blood characterized by an increase in the number of red blood cells. It can occur as a primary disease of unknown cause (polycythaemia vera or erythraemia) or in association with respiratory or circulatory diseases
- polytechnical — relating to a technical school
- polythene bag — a bag made of polythene, esp one used to store or protect food or household articles
- porkpie (hat) — a man's soft hat with a round, flat crown
- posix threads — (programming) (Pthreads) A POSIX standard API that defines a set of C programming language types, functions and constants for creating and manipulating pre-emptive threads. The standard's full name is "POSIX.1c, Threads extensions (IEEE Std 1003.1c-1995)". Implementations are available on many Unix-like POSIX-conformant operating systems such as FreeBSD, NetBSD, OpenBSD, GNU/Linux, Mac OS X and Solaris as well as DR-DOS and Microsoft Windows. Pthreads was designed and implemented in the PART Project (POSIX / Ada-Runtime Project).
- post exchange — a retail store on an army installation that sells goods and services to military personnel and their dependents and to certain authorized civilian personnel. Abbreviation: PX.
- potato-masher — a kitchen implement used to crush or mash potatoes
- poulard wheat — a Mediterranean wheat, Triticum turgidum, grown as a forage crop in the U.S.
- 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-adulthood — of or relating to the period prior to adulthood: preadult strivings for independence.
- pre-christian — of, relating to, or belonging to a time or period before the Christian Era.
- 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-establish — to establish, set up, set out, arrange or make secure in advance or previously
- preanesthetic — a substance that produces a preliminary or light anesthesia.
- preattachment — an act of attaching or the state of being attached.
- press attaché — the official in an embassy who has the job of liaising with the media
- presto chango — change at once (usually used imperatively, as in a magician's command).
- 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.
- private hotel — a residential hotel or boarding house in which the proprietor has the right to refuse to accept a person as a guest, esp a person arriving by chance
- prophetically — of or relating to a prophet: prophetic inspiration.
- protest march — public demonstration
- protochordate — any of the nonvertebrate chordates, as the tunicates, cephalochordates, and hemichordates.
- pseudesthesia — phantom limb pain.
- psychasthenia — Psychiatry. (no longer in technical use) a neurosis marked by fear, anxiety, phobias, etc.
- psychasthenic — a person who has psychasthenia
- psychotherapy — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- pterylography — the description of the feather arrangement on birds
- public health — health services to improve and protect community health, especially sanitation, immunization, and preventive medicine.
- pupil teacher — a young person who plans to be a teacher and who spends part of his or her time in preliminary education undertaking teaching duties under the supervision of the head-teacher
- puritan ethic — work ethic.
- pyretotherapy — therapy by raising the body temperature, as by diathermy or by artificially inducing fever.
- pyrimethamine — a potent substance, C 1 2 H 1 3 ClN 4 , used against susceptible plasmodia in the prophylactic treatment of malaria and against Toxoplasma gondi in the treatment of toxoplasmosis.
- pyrophosphate — a salt or ester of pyrophosphoric acid.