19-letter words containing i, t, s

newtonian telescope — a reflecting telescope in which a mirror or reflecting prism is mounted on the axis near the eyepiece so that the image may be viewed from outside the telescope tube at right angles to the axis.
night-scented stock — a plant, Matthiola bicornis, of the genus Matthiola, of the Mediterranean region, cultivated for its brightly coloured flowers: Brassicaceae (crucifers)
nine plus two array — the arrangement of microtubules in a flagellum or cilium, consisting of a ring of nine evenly spaced couplets surrounding two central singlets. Symbol: 9 + 2.
no shrinking violet — If you say that someone is no shrinking violet, you mean that they are not at all shy.
no strings attached — without conditions
nominative absolute — a construction consisting in English of a noun, noun phrase, or pronoun in the nominative case followed by a predicate lacking a finite verb, used as a loose modifier of the whole sentence, as the play done in The play done, the audience left the theater.
non-distinguishable — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
non-interventionism — abstention by a nation from interference in the affairs of other nations or in those of its own political subdivisions.
non-standardization — to bring to or make of an established standard size, weight, quality, strength, or the like: to standardize manufactured parts.
non-transferability — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
nonrepresentational — not resembling or portraying any object in physical nature: a nonrepresentational painting.
nordrhein-westfalen — German name of North Rhine-Westphalia.
normal distribution — a theoretical frequency distribution represented by a normal curve.
north-west frontier — the area roughly equivalent to the present North-West Frontier Province of Pakistan, which is the days of the British Raj was regarded as one of the most remote and dangerous outposts of the British Empire
northern hemisphere — the half of the earth between the North Pole and the equator.
northwest ordinance — the act of Congress in 1787 providing for the government of the Northwest Territory and setting forth the steps by which its subdivisions might become states.
northwest territory — region north of the Ohio River, between Pa. & the Mississippi (established 1787): it now forms Ohio, Ind., Ill., Mich., Wis., & part of Minn.
not by a long sight — on no account; not at all
nothing of the sort — not at all as described
notre-dame-de-paris — Also called Notre Dame de Paris [French naw-truh dam duh pa-ree] /French nɔ trə dam də paˈri/ (Show IPA). a famous early gothic cathedral in Paris (started 1163).
nuclear disarmament — the gradual reduction and eventual elimination of all nuclear weapons in the world
nuits-saint-georges — a fine red wine produced near the town of Nuits-Saint-Georges in Burgundy
object-oriented sql — (language) (OSQL) A functional language, a superset of SQL, used in Hewlett-Packard's OpenODB database system.
observation balloon — a balloon that is used for gathering information and reconnaissance purposes and spotting aircraft
oil-catalyst slurry — Oil-catalyst slurry is a heavy aromatic by-product of a refinery's fluid catalytic cracking unit, that forms a small part of global fuel oil supply.
old english pattern — a spoon pattern having a stem curving backward at the end.
old spanish customs — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
olive-backed thrush — Swainson's thrush.
on first name terms — If two people are on first-name terms, they know each other well enough to call each other by their first names, rather than having to use a more formal title.
on no consideration — for no reason whatsoever; never
on the baker's list — in good health
one of those things — something that cannot be avoided, helped, changed, etc.
operational testing — (testing) A US DoD term for testing performed by the end-user on software in its normal operating environment.
operations director — a director or senior manager who oversees the efficiency of business operations
operations research — the analysis, usually involving mathematical treatment, of a process, problem, or operation to determine its purpose and effectiveness and to gain maximum efficiency.
optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
optimising compiler — (programming, tool) compiler which attempts to analyse the code it produces and to produce more efficient code by performing program transformation such as branch elimination, partial evaluation, or peep-hole optimisation. Contrast pessimising compiler.
orthopaedic surgeon — a surgeon specializing in the branch of surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
orthopaedic surgery — surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
oscillating circuit — a circuit producing electrical oscillations.
out of the question — a sentence in an interrogative form, addressed to someone in order to get information in reply.
outstation movement — the programme to resettle native Australians on their tribal lands
over-sentimentality — the quality or state of being sentimental or excessively sentimental.
palaeoethnobotanist — someone who studies fossil seeds and grains to further archaeological knowledge, esp of the domestication of cereals
paleoanthropologist — the study of the origins and predecessors of the present human species, using fossils and other remains.
pancreatic fibrosis — cystic fibrosis.
parachute spinnaker — a very large spinnaker used on a racing yacht.
parallactic ellipse — the apparent ellipse, as seen against the background of more distant stars, described annually by a nearby star because of the earth's orbital motion around the sun. Compare parallax (def 2).
parasympathomimetic — having an effect similar to that produced when the parasympathetic nervous system is stimulated
participatory sport — a sport in which people take part, (as opposed to a spectator sport)

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