15-letter words containing i, n, t, h, e, s

nottinghamshire — a county in central England. 854 sq. mi. (2210 sq. km).
nucleosynthesis — the formation of new atomic nuclei by nuclear reactions, thought to occur in the interiors of stars and in the early stages of development of the universe.
nucleosynthetic — Of or pertaining to nucleosynthesis.
null hypothesis — (in the statistical testing of a hypothesis) the hypothesis to be tested.
nyquist theorem — (communications) A theorem stating that when an analogue waveform is digitised, only the frequencies in the waveform below half the sampling frequency will be recorded. In order to reconstruct (interpolate) a signal from a sequence of samples, sufficient samples must be recorded to capture the peaks and troughs of the original waveform. If a waveform is sampled at less than twice its frequency the reconstructed waveform will effectively contribute only noise. This phenomenon is called "aliasing" (the high frequencies are "under an alias"). This is why the best digital audio is sampled at 44,000 Hz - twice the average upper limit of human hearing. The Nyquist Theorem is not specific to digitised signals (represented by discrete amplitude levels) but applies to any sampled signal (represented by discrete time values), not just sound.
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.
over-enthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
pachymeningitis — inflammation of the dura mater of the brain and spinal cord
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.
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.
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.
pigeon shooting — the act of hunting and shooting live pigeons
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.
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
postsynchronize — to add sound, such as dubbing, to a film or video after shooting is completed
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.
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.
psychosynthesis — a theoretical effort to reconcile components of the unconscious, including dreams, with the rest of the personality.
put the nips in — to exert pressure on someone, esp in order to extort money
quasi-technical — belonging or pertaining to an art, science, or the like: technical skill.
quite something — a remarkable or noteworthy thing or person
raise one's hat — to take one's hat briefly off one's head as a greeting or mark of respect
reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating
reversing light — Reversing lights are the white lights on the back of a motor vehicle which shine when the vehicle is in reverse gear.
rhesus negative — relating to blood not containing Rhesus antigen D
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.
riverworthiness — (of a boat) the quality or state of being riverworthy
round the twist — mad; eccentric
round whitefish — a whitefish, Prosopium cylindraceum, found in northern North America and Siberia, having silvery sides and a dark bronze back.
rowland heights — a city in SW California, near Los Angeles.

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