15-letter words containing a, c, l, s, t
- national school — (in Ireland) a state primary school
- natural justice — accepted moral principles
- natural science — a science or knowledge of objects or processes observable in nature, as biology or physics, as distinguished from the abstract or theoretical sciences, as mathematics or philosophy.
- necessary stool — close-stool.
- neo-pentecostal — charismatic (def 2).
- 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.
- neuroplasticity — the capacity of the nervous system to develop new neuronal connections: research on neuroplasticity of the brain after injury.
- newton's cradle — an ornamental puzzle consisting of a frame in which five metal balls are suspended in such a way that when one is moved it sets all the others in motion in turn
- nicholas, saint — Saint ("Nicholas the Great") died a.d. 867, Italian ecclesiastic: pope 858–867.
- non-crystalline — of or like crystal; clear; transparent.
- non-egotistical — pertaining to or characterized by egotism.
- non-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- nonastronomical — not astronomical
- nonclassicality — The condition of being nonclassical.
- nonconsolidated — (financial) Including the financial data of only the parent company.
- nonencapsulated — not encapsulated
- noninsecticidal — absent or free of insecticide
- nonrelativistic — not concerned with or involving the theory of relativity
- nonsolicitation — Being or pertaining to a particular kind of noncompetition agreement that forbids a former employee from attempting to recruit the employer's colleagues or customers.
- not necessarily — If you reply 'Not necessarily', you mean that what has just been said or suggested may not be true.
- nova scotia lox — a kind of brine-cured salmon, having either a salt cure (Scandinavian lox) or a sugar cure (Nova Scotia lox) often eaten with cream cheese on a bagel.
- nuclear testing — the process of carrying out a test on a nuclear weapon to determine effectiveness, etc
- obstacle course — a military training area having obstacles, as hurdles, ditches, and walls, that must be surmounted or crossed in succession.
- 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
- old clothes man — a person who deals in second-hand clothes
- ophthalmoscopes — Plural form of ophthalmoscope.
- ophthalmoscopic — Of, pertaining to or using an ophthalmoscope.
- 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
- orchestrational — Of or pertaining to orchestration.
- 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.
- pamprodactylous — having all four toes directed forward, as in swifts and colies.
- paralinguistics — the study of paralanguage.
- parasiticalness — the condition or characteristic of being parasitic
- partial eclipse — astronomy
- particularistic — exclusive attention or devotion to one's own particular interests, party, etc.
- pass-the-parcel — a children's game in which a parcel with lots of wrappings is passed round while music plays; each time the music stops the person holding the parcel takes a layer of wrapping off
- past participle — a participle with past, perfect, or passive meaning, as fallen, sung, defeated; perfect participle: used in English and other languages in forming the present perfect, pluperfect, and passive and as an adjective.
- pastel-coloured — pale-coloured; in a shade such as pink or pale blue
- pectoral muscle — muscle of the chest
- penshurst place — a 14th-century mansion near Tunbridge Wells in Kent: birthplace of Sir Philip Sidney; gardens laid out from 1560
- pessimistically — pertaining to or characterized by pessimism or the tendency to expect only bad outcomes; gloomy; joyless; unhopeful: His pessimistic outlook kept him from applying for jobs for which he was perfectly qualified.
- pheasant coucal — a brown and black, red-eyed Australian bird, Centropus phasianinus, with a pheasantlike tail.
- phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
- photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
- physical optics — the branch of optics concerned with the wave properties of light, the superposition of waves, the deviation of light from its rectilinear propagation in a manner other than that considered by geometrical optics, the interaction of light with matter, and the quantum, corpuscular aspects of light.