15-letter words containing i, s, o, p, l, e
- napoleonic wars — French-led war in early 19th century
- negro spiritual — a type of religious song originating among Black slaves in the American South
- nephrolithiasis — (pathology) presence of calculi in kidneys.
- nephrosclerosis — (pathology) arteriosclerosis of the renal arteries.
- net.personality — Someone who has made a name for him or herself on Usenet, through either longevity or attention-getting posts, but doesn't meet the other requirements of net.godhood.
- neurophysiology — the branch of physiology dealing with the functions of the nervous system.
- neuroplasticity — the capacity of the nervous system to develop new neuronal connections: research on neuroplasticity of the brain after injury.
- noise pollution — unwanted or harmful noise, as from automobiles, airplanes, or industrial workplaces.
- non-putrescible — liable to become putrid.
- non-responsible — answerable or accountable, as for something within one's power, control, or management (often followed by to or for): He is responsible to the president for his decisions.
- non-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- non-susceptible — admitting or capable of some specified treatment: susceptible of a high polish; susceptible to various interpretations.
- noncompressible — not able to be compressed
- nonhospitalized — not hospitalized
- nonprofessional — not a member of or trained in a specific profession.
- nonprofessorial — not professorial
- nonsaponifiable — not capable of being saponified
- nonspecifically — in a nonspecific way
- null hypothesis — (in the statistical testing of a hypothesis) the hypothesis to be tested.
- oedipus complex — the unresolved desire of a child for sexual gratification through the parent of the opposite sex, especially the desire of a son for his mother. This involves, first, identification with and, later, hatred for the parent of the same sex, who is considered by the child as a rival.
- office politics — power play in the workplace
- oil-based paint — any paint made with a drying oil or solvent such as linseed
- old age pension — An old age pension is a regular amount of money that people receive from the government when they have retired from work.
- operationalised — Simple past tense and past participle of operationalise.
- optical scanner — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
- optical storage — optical disk drive
- optoelectronics — the branch of electronics dealing with devices that generate, transform, transmit, or sense optical, infrared, or ultraviolet radiation, as cathode-ray tubes, electroluminescent and liquid crystal displays, lasers, and solar cells.
- outside caliper — a caliper whose legs turn inward so that it can measure outside dimensions, as the diameter of a rod.
- over-capitalise — to fix the total amount of securities of a corporation in excess of the limits set by law or by sound financial policy.
- overcapitalizes — Third-person singular simple present indicative form of overcapitalize.
- overspeculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- painter's colic — Pathology. lead poisoning causing intense intestinal pain.
- palaeomagnetism — the study of the fossil magnetism in rocks, used to determine the past configurations of the continents and to investigate the past shape and magnitude of the earth's magnetic field
- palaeomagnetist — a student of or expert in palaeomagnetism
- paleogeophysics — (used with a plural verb) inferred geophysical conditions or processes of designated periods of the geologic past.
- paradise flower — a prickly vine, Solanum wendlandii, of the nightshade family, native to Costa Rica, having branched clusters of showy lilac-blue flowers.
- parallel cousin — a cousin who is the child either of one's mother's sister or of one's father's brother.
- passifloraceous — of, relating to, or belonging to the Passifloraceae, a tropical and subtropical family of climbing plants including the passionflowers: the flowers have five petals and threadlike parts forming a dense mass (corona) around the central disc
- percussion lock — a gunlock on a firearm that fires by striking a percussion cap.
- percussion tool — a power driven tool which operates by striking rapid blows: the power may be electricity or compressed air
- perissosyllabic — (of a line of verse) containing more syllables than expected for the metre being used
- peroxysulphuric — as in peroxysulphuric acid
- personal friend — a person who is a friend, rather than a colleague or acquaintance
- personal injury — injury to an individual
- personalization — to have marked with one's initials, name, or monogram: to personalize stationery.
- phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
- phenomenologies — the study of phenomena.
- phenomenologist — the study of phenomena.
- phlebosclerosis — sclerosis, or hardening, of the walls of veins.
- phloem necrosis — a disease of the American elm caused by a mycoplasmalike organism, characterized by yellowing and necrosis of the foliage and yellowish-brown discoloration of the phloem.