15-letter words containing p, e, t, s, h
- openmouthedness — the state or condition of being filled with amazement and wonder
- ophthalmoscopes — Plural form of ophthalmoscope.
- organophosphate — Biochemistry. any of a variety of organic compounds that contain phosphorus and often have intense neurotoxic activity: originally developed as nerve gases, now widely used as insecticides and fire retardants.
- pachymeningitis — inflammation of the dura mater of the brain and spinal cord
- packet-switched — packet switching
- panhandle state — West Virginia (used as a nickname).
- parasympathetic — pertaining to that part of the autonomic nervous system consisting of nerves and ganglia that arise from the cranial and sacral regions and function in opposition to the sympathetic system, as in inhibiting heartbeat or contracting the pupil of the eye.
- parish register — the register of the christenings, marriages, and burials in a parish.
- parthenogenesis — development of an egg without fertilization.
- pass-the-parcel — a children's game in which a parcel with lots of wrappings is passed round while music plays; each time the music stops the person holding the parcel takes a layer of wrapping off
- passport holder — a person who has a passport
- penshurst place — a 14th-century mansion near Tunbridge Wells in Kent: birthplace of Sir Philip Sidney; gardens laid out from 1560
- pepin the short — ("Pepin the Short") died a.d. 768, king of the Franks 751–768 (father of Charlemagne).
- personal growth — development as an individual
- phase-switching — a technique used in radio interferometry in which the signal from one of the two antennae is periodically reversed in phase before being multiplied by the signal from the other antenna
- pheasant coucal — a brown and black, red-eyed Australian bird, Centropus phasianinus, with a pheasantlike tail.
- phenakistoscope — an early form of a zoetrope in which figures are depicted in different poses around the edge of a disc. When the disc is spun, and the figures observed through the apertures around the edge of the disc, they appear to be moving
- phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
- phenomenologist — the study of phenomena.
- phosphate group — the group or radical obtained by removal of one or more hydrogen atoms from phosphoric acid.
- phosphocreatine — a compound, C 4 H 1 0 O 5 N 3 P, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction.
- phosphorylative — of or relating to phosphorylation
- photo-secession — an association of photographers founded in New York City in 1902 by Alfred Stieglitz and Edward Steichen that advocated the development and public recognition of photography as a fine art.
- photodissociate — to split or break up molecules as a result of the absorption of photons
- photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
- photomicroscope — a microscope having an illuminator and a camera mechanism for producing a photomicrograph.
- photosensitizer — a drug, food, or other chemical that increases sensitivity to light and other visible photons
- photosynthesize — to produce carbohydrates by photosynthesis: Plants with light green leaves don't photosynthesize as well as those with darker leaves.
- phototypesetter — a machine for phototypesetting
- physiotherapist — physical therapy.
- pigeon shooting — the act of hunting and shooting live pigeons
- pilgrim fathers — the Pilgrims (of Plymouth Colony)
- pistachio green — a light or medium shade of yellow green.
- pitch blackness — extreme darkness; lack of light
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- planter's punch — a punch made with rum, lime juice, sugar, and water or soda.
- platyhelminthes — a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
- plethysmography — the tracking of changes measured in bodily volume
- poikilothermism — the state or quality of being cold-blooded, as fishes and reptiles.
- polyphemus moth — a large, yellowish-brown American silkworm moth, Antheraea polyphemus, having a prominent eyespot on each hind wing and feeding on cherry, apple, and other trees.
- pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
- posthemorrhagic — occurring after a haemorrhage
- posthole digger — a tool or device for digging a posthole.
- postsynchronize — to add sound, such as dubbing, to a film or video after shooting is completed
- potash feldspar — any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.
- power macintosh — Power Mac
- pre-established — to establish beforehand.
- press the flesh — the soft substance of a human or other animal body, consisting of muscle and fat.
- probationership — the position of a probationer