15-letter words containing h, e, i, s, t
- oil of the sick — holy oil used in the sacrament of extreme unction.
- old-established — established for a long time
- on a shoestring — If you do something or make something on a shoestring, you do it using very little money.
- on short notice — with little warning
- on the increase — growing, increasing
- one-night stand — a single performance in one locale, as by a touring theatrical company, before moving on to the next engagement.
- orchestrational — Of or pertaining to orchestration.
- osteochondritis — inflammation of bone and cartilage.
- osteochondrosis — a disease of bone and cartilage growth centers in children that begins as a necrosis and is followed by regeneration or renewed calcification.
- outside the box — a container, case, or receptacle, usually rectangular, of wood, metal, cardboard, etc., and often with a lid or removable cover.
- over-enthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
- oyster toadfish — See under toadfish (def 1).
- pachymeningitis — inflammation of the dura mater of the brain and spinal cord
- packet-switched — packet switching
- 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.
- pepin the short — ("Pepin the Short") died a.d. 768, king of the Franks 751–768 (father of Charlemagne).
- 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
- 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.
- 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.
- 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.
- platyhelminthes — a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
- poikilothermism — the state or quality of being cold-blooded, as fishes and reptiles.
- 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
- power macintosh — Power Mac
- pre-established — to establish beforehand.
- probationership — the position of a probationer
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- property rights — a legal right to or in a particular property.
- pseudoarthrosis — a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united
- pseudonephritis — a condition, thought to be benign, in which microscopic amounts of blood and protein are present in the urine, occurring commonly among athletes after strenuous exercise.