15-letter words containing r, o, s, i, e, l
- nanocrystalline — Of, pertaining to, or composed of nanocrystals.
- napoleonic wars — French-led war in early 19th century
- national forest — forested land owned, maintained, and preserved by the U.S. government.
- necrobacillosis — any disease of cattle, horses, sheep, and swine marked by necrotic areas in which a bacillus, Fusobacterium necrophorum, is found.
- negro spiritual — a type of religious song originating among Black slaves in the American South
- neighbourliness — Standard spelling of neighborliness.
- neo-lutheranism — a movement begun in the 19th century in Germany and Scandinavia to revive the orthodox principles, beliefs, and practices of the Lutheran Church.
- neomercantilism — an economic doctrine or policy during the early 20th century that set high tariffs and other import restrictions in order to protect domestic industries.
- 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.
- neurolinguistic — pertaining to neurolinguistics
- 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.
- nicholas ridley — Nicholas, c1500–55, English bishop, reformer, and martyr.
- non-adversarial — a person, group, or force that opposes or attacks; opponent; enemy; foe.
- non-crystalline — of or like crystal; clear; transparent.
- non-ministerial — pertaining to the ministry of religion, or to a minister or other member of the clergy.
- non-putrescible — liable to become putrid.
- non-residential — of or relating to residence or to residences: a residential requirement for a doctorate.
- 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.
- noncompressible — not able to be compressed
- noninstrumental — serving or acting as an instrument or means; useful; helpful.
- nonprofessional — not a member of or trained in a specific profession.
- nonprofessorial — not professorial
- nonrelativistic — not concerned with or involving the theory of relativity
- northern lights — aurora borealis.
- not necessarily — If you reply 'Not necessarily', you mean that what has just been said or suggested may not be true.
- nuclear fission — fission (def 2).
- observationally — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- obtuse triangle — a triangle with one obtuse angle.
- official strike — a collective stoppage of work by part or all of the workforce of an organization with the approval of the trade union concerned. The stoppage may be accompanied by the payment of strike pay by the trade union concerned
- oligomerisation — Alternative spelling of oligomerization.
- oligosaccharide — any carbohydrate yielding few monosaccharides on hydrolysis, as two, three, or four.
- 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.
- orchestrational — Of or pertaining to orchestration.
- ordinal numbers — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
- organochlorines — Plural form of organochlorine.
- ostreiculturist — a person who breeds oysters
- 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.
- over-solicitous — too solicitous: oversolicitous concerning one's health.
- 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.
- overstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- painter's colic — Pathology. lead poisoning causing intense intestinal pain.
- paradise flower — a prickly vine, Solanum wendlandii, of the nightshade family, native to Costa Rica, having branched clusters of showy lilac-blue flowers.