18-letter words containing a, t, o, n, l

national socialism — the principles and practices of the Nazi party in Germany.
natural convection — Natural convection is the loss of heat from a hot solid or liquid into air which is not artificially agitated.
natural philosophy — natural science.
nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
negative cash flow — the situation when income is less than payments
neovascularization — the development of new blood vessels, especially in tissues where circulation has been impaired by trauma or disease.
neurodevelopmental — Of or pertaining to the development of neurological pathways in the brain.
neuroleptanalgesia — a semiconscious nonreactive state induced by certain drug combinations, as fentanyl with droperidol.
neuroophthalmology — the branch of ophthalmology that deals with the optic nerve and other nervous system structures involved in vision.
no laughing matter — sth serious
no-fault insurance — Also called no-fault insurance. a form of automobile insurance designed to enable the policyholder in case of an accident to collect a certain basic compensation promptly for economic loss from his or her own insurance company without determination of liability.
nobiliary particle — a preposition forming part of a title of nobility or surname, as French de or German von.
nocturnal emission — the release of semen during sleep, often during a sexual dream.
non-accountability — the state of being accountable, liable, or answerable.
non-circumstantial — of pertaining to, or derived from circumstances: a circumstantial result.
non-contextualized — to put (a linguistic element, an action, etc.) in a context, especially one that is characteristic or appropriate, as for purposes of study.
non-conversational — able or ready to converse; given to conversation.
non-denominational — of or relating to a denomination or denominations.
non-ecclesiastical — of or relating to the church or the clergy; churchly; clerical; not secular.
non-fundamentalist — (sometimes initial capital letter) a religious movement characterized by a strict belief in the literal interpretation of religious texts, especially within American Protestantism and Islam.
non-inertial frame — a frame of reference that moves with the object, so that the moving object appears to violate Newton's laws of motion since it accelerates despite having no horizontal forces on it.
non-reconciliation — an act of reconciling, as when former enemies agree to an amicable truce.
non-understandable — capable of being understood; comprehensible.
nonconfrontational — Tending to deal with situations calmly and diplomatically; not aggressive or hostile.
noninterchangeable — That cannot be interchanged with another.
nonpartisan league — a political organization of farmers, founded in North Dakota in 1915, and extending to many states west of the Mississippi, with the aim of influencing agricultural legislation in state legislatures.
nonpreferentialism — of, relating to, or of the nature of preference: preferential policies.
nonstriated muscle — smooth muscle
nonvolatile memory — computer memory that can retain stored information even when not powered, for example read-only memory
normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
north attleborough — a city in SE Massachusetts.
north polar region — the region of land and water surrounding the North Pole.
northern transvaal — province of South Africa, in the N part: 47,599 sq mi (123,280 sq km); pop. 5,202,000; cap. Pietersburg
not a hope in hell — If you say that someone has not got a hope in hell of doing something, you are emphasizing that they will not be able to do it.
not by a long shot — absolutely not
not take kindly to — not welcome
not to have a clue — to be completely baffled
notifiable disease — any one of a number of infectious diseases of humans and animals, that must be reported to the public health authorities
nova scotia salmon — an Atlantic salmon, especially from the waters off Nova Scotia, cured in the local manner.
now you're talking — at last you're saying something agreeable
numerical taxonomy — classification of organisms by a comparison of large numbers of observable characteristics that are given equal value instead of being weighted according to possible evolutionary significance.
oath of allegiance — pledge to one's nation
occupational group — An occupational group is a category used by insurance companies to classify jobs according to how hazardous they are.
octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
oedipus at colonus — a tragedy by Sophocles, written toward the end of his life and produced posthumously in 401? b.c.
offensive material — any published or broadcast content (such as articles, photographs, films, or websites) that is likely to be upsetting, insulting, or objectionable to some or most people
oil of catechumens — holy oil used in baptism, the ordination of a cleric, the coronation of a sovereign, or in the consecration of a church.
old man of 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 automatic pilot — If you are on automatic pilot or on autopilot, you are acting without thinking about what you are doing, usually because you have done it many times before.
on delicate ground — in a situation requiring tact

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