15-letter words containing h, e, a, t, s, o
- old-man-the-sea — (in The Arabian Nights' Entertainments) an old man who clung to the shoulders of Sindbad the Sailor for many days and nights.
- on a shoestring — If you do something or make something on a shoestring, you do it using very little money.
- on the decrease — decreasing
- on the increase — growing, increasing
- one's last hour — the time of one's death
- one-night stand — a single performance in one locale, as by a touring theatrical company, before moving on to the next engagement.
- ophthalmoscopes — Plural form of ophthalmoscope.
- orchestrational — Of or pertaining to orchestration.
- 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.
- over-enthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
- overorchestrate — to compose or arrange excessively
- oyster toadfish — See under toadfish (def 1).
- parthenogenesis — development of an egg without fertilization.
- passport holder — a person who has a passport
- personal growth — development as an individual
- 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.
- 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
- 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.
- physiotherapist — physical therapy.
- pistachio green — a light or medium shade of yellow green.
- 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.
- plethysmography — the tracking of changes measured in bodily volume
- 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
- potash feldspar — any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.
- power macintosh — Power Mac
- 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.
- propeller shaft — a shaft that transmits power from an engine to a propeller.
- pseudoarthrosis — a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united
- psychogeriatric — the psychology of old age.
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- put sb to death — If someone is put to death, they are executed.
- put sb to shame — If someone puts you to shame, they make you feel ashamed because they do something much better than you do.
- raise one's hat — to take one's hat briefly off one's head as a greeting or mark of respect
- relative to sth — Relative to something means with reference to it or in comparison with it.
- reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating
- reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
- rheumatism-root — spotted wintergreen.
- rhodesian front — the governing party in Zimbabwe (then called Rhodesia) 1962–78
- right ascension — the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed in degrees or hours.
- right of search — the privilege of a nation at war to search neutral ships on the high seas for contraband or other matter, carried in violation of neutrality, that may subject the ship to seizure.
- rocket research — research into rocket engines for spacecraft
- rowland heights — a city in SW California, near Los Angeles.