13-letter words containing a, p, t, h
- phototelegram — a telegram that is sent by means of phototelegraphy
- photovoltaics — (used with a singular verb) a field of semiconductor technology involving the direct conversion of electromagnetic radiation as sunlight, into electricity.
- phraseologist — a person who treats of or is concerned with phraseology.
- phreatophytic — of, possessing the properties of, or relating to a phreatophyte
- phthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
- physicalistic — of or relating to physicalism.
- physicalities — the physical attributes of a person, especially when overdeveloped or overemphasized.
- physiotherapy — physical therapy.
- phytochemical — Also called phytonutrient. any of various bioactive chemical compounds found in plants, as antioxidants, considered to be beneficial to human health.
- phytopathogen — an organism that causes disease in plants
- phytoplankter — a minute organism which constitutes part of phytoplankton
- phytoplankton — the aggregate of plants and plantlike organisms in plankton.
- phytosanitary — of or relating to the health of plants
- piano teacher — tutor of piano-playing
- picardy third — a major third in the final tonic chord of a composition written in a minor key.
- 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 yoghurt — natural yoghurt, without added flavouring
- 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 catch up — an effort to reach or pass a norm, especially after a period of delay: After the slowdown there was a catch-up in production.
- play catch-up — an effort to reach or pass a norm, especially after a period of delay: After the slowdown there was a catch-up in production.
- play hob with — to make trouble for; interfere with and make disordered
- 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
- playwrighting — the writing of plays
- 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.
- point shaving — (especially in basketball) the illegal practice, by one or more bribed players, of deliberately limiting the number of points scored to conform to the desires of corrupt gamblers.
- point-shaving — (especially in basketball) the illegal practice, by one or more bribed players, of deliberately limiting the number of points scored to conform to the desires of corrupt gamblers.
- pointy-headed — stupid; idiotic.
- polyarthritis — arthritis occurring in more than one joint.
- polychromatic — having or exhibiting a variety of colors.
- 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
- polythalamous — having multiple chambers
- polythene bag — a bag made of polythene, esp one used to store or protect food or household articles
- pontchartrain — Lake, a shallow extension of the Gulf of Mexico in SE Louisiana, N of New Orleans. 41 miles (66 km) long; 25 miles (40 km) wide.
- porkpie (hat) — a man's soft hat with a round, flat crown
- port harcourt — a seaport in S Nigeria.
- 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.
- postholocaust — following a holocaust
- potato blight — fungal disease affecting potatoes