17-letter words containing d, e, n, t, o

modern pentathlon — an athletic contest consisting of five different events: horse riding with jumps, fencing with electric épée, freestyle swimming, pistol shooting, and cross-country running
mom and pop store — a small retail business, typically family-operated
money-market fund — a mutual fund that invests in the money market.
monkey bread tree — a bombacaceous tree, Adansonia digitata, native to Africa, that has a very thick trunk, large white flowers, and a gourdlike fruit with an edible pulp called monkey bread
montessori method — a system for teaching young children, in which the fundamental aim is self-motivated education by the children themselves, as they are encouraged to move freely through individualized instruction and physical exercises, accompanied by special emphasis on the training of the senses and the early development of reading and writing skills.
mounted policeman — policemen who patrol on horseback
multi-directional — extending or operating in several directions at the same time; functioning or going in more than one direction: a multidirectional stereo speaker system.
multitudinousness — The state or condition of being multitudinous.
mundane astrology — the astrology of worldly events, in contrast to the astrology of the individual: used especially in interpretations and forecasts involving politics, the stock market, weather, and disasters.
national identity — characteristics of a given nationality
natural deduction — (logic) A set of rules expressing how valid proofs may be constructed in predicate logic. In the traditional notation, a horizontal line separates premises (above) from conclusions (below). Vertical ellipsis (dots) stand for a series of applications of the rules. "T" is the constant "true" and "F" is the constant "false" (sometimes written with a LaTeX \perp). "^" is the AND (conjunction) operator, "v" is the inclusive OR (disjunction) operator and "/" is NOT (negation or complement, normally written with a LaTeX \neg). P, Q, P1, P2, etc. stand for propositions such as "Socrates was a man". P[x] is a proposition possibly containing instances of the variable x, e.g. "x can fly". A proof (a sequence of applications of the rules) may be enclosed in a box. A boxed proof produces conclusions that are only valid given the assumptions made inside the box, however, the proof demonstrates certain relationships which are valid outside the box. For example, the box below labelled "Implication introduction" starts by assuming P, which need not be a true proposition so long as it can be used to derive Q. Truth introduction: - T (Truth is free). Binary AND introduction: ----------- | . | . | | . | . | | Q1 | Q2 | ----------- Q1 ^ Q2 (If we can derive both Q1 and Q2 then Q1^Q2 is true). N-ary AND introduction: ---------------- | . | .. | . | | . | .. | . | | Q1 | .. | Qn | ---------------- Q1^..^Qi^..^Qn Other n-ary rules follow the binary versions similarly. Quantified AND introduction: --------- | x . | | . | | Q[x] | --------- For all x . Q[x] (If we can prove Q for arbitrary x then Q is true for all x). Falsity elimination: F - Q (Falsity opens the floodgates). OR elimination: P1 v P2 ----------- | P1 | P2 | | . | . | | . | . | | Q | Q | ----------- Q (Given P1 v P2, if Q follows from both then Q is true). Exists elimination: Exists x . P[x] ----------- | x P[x] | | . | | . | | Q | ----------- Q (If Q follows from P[x] for arbitrary x and such an x exists then Q is true). OR introduction 1: P1 ------- P1 v P2 (If P1 is true then P1 OR anything is true). OR introduction 2: P2 ------- P1 v P2 (If P2 is true then anything OR P2 is true). Similar symmetries apply to ^ rules. Exists introduction: P[a] ------------- Exists x.P[x] (If P is true for "a" then it is true for all x). AND elimination 1: P1 ^ P2 ------- P1 (If P1 and P2 are true then P1 is true). For all elimination: For all x . P[x] ---------------- P[a] (If P is true for all x then it is true for "a"). For all implication introduction: ----------- | x P[x] | | . | | . | | Q[x] | ----------- For all x . P[x] -> Q[x] (If Q follows from P for arbitrary x then Q follows from P for all x). Implication introduction: ----- | P | | . | | . | | Q | ----- P -> Q (If Q follows from P then P implies Q). NOT introduction: ----- | P | | . | | . | | F | ----- / P (If falsity follows from P then P is false). NOT-NOT: //P --- P (If it is not the case that P is not true then P is true). For all implies exists: P[a] For all x . P[x] -> Q[x] ------------------------------- Q[a] (If P is true for given "a" and P implies Q for all x then Q is true for a). Implication elimination, modus ponens: P P -> Q ---------- Q (If P and P implies Q then Q). NOT elimination, contradiction: P /P ------ F (If P is true and P is not true then false is true).
neck of the woods — the part of the body of an animal or human being that connects the head and the trunk.
neurodegenerative — Resulting in or characterized by degeneration of the nervous system, especially the neurons in the brain.
new scotland yard — See under Scotland Yard (def 1).
newfoundland time — a form of civil time observed on the island of Newfoundland, one and one-half hours later than Eastern time and a half hour later than Atlantic time.
ninety-day wonder — an officer commissioned in a branch of the armed forces after an unusually short training period, especially after a three-months officers' training course during World War II.
ninth commandment — “Thou shalt not bear false witness against thy neighbor”: ninth of the Ten Commandments.
nitrogen peroxide — the equilibrium mixture of nitrogen dioxide and dinitrogen tetroxide
non-consideration — the act of considering; careful thought; meditation; deliberation: I will give your project full consideration.
non-containerized — to package (freight) in uniform, sealed containers for shipment.
non-demonstrative — characterized by or given to open exhibition or expression of one's emotions, attitudes, etc., especially of love or affection: She wished her fiancé were more demonstrative.
non-discretionary — subject or left to one's own discretion.
nondenominational — of or relating to a denomination or denominations.
nonproductiveness — The quality of being nonproductive.
nonunderstandable — Not understandable.
nord-ostsee kanal — German name of Kiel Canal.
north frigid zone — the part of the earth's surface between the Arctic Circle and the North Pole.
northern rhodesia — former name of Zambia.
northern sporades — a group of Greek islands in the Aegean, lying northeast of Euboea
northern studfish — See under studfish.
not bat an eyelid — When something surprising or shocking happens, if someone doesn't bat an eyelid in British English, or doesn't bat an eye in American English, they remain calm and do not show any reaction.
not one to do sth — If you say that someone is not one to do something, you think that it is very unlikely that they would do it because it is not their normal behaviour.
not one's idea of — not what one regards as (hard work, a holiday, etc)
not the full quid — mentally subnormal
not to be outdone — You use not to be outdone to introduce an action which someone takes in response to a previous action.
nuclear radiation — Physics. radiation in the form of elementary particles emitted by an atomic nucleus, as alpha rays or gamma rays, produced by decay of radioactive substances or by nuclear fission.
nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
number three wood — spoon (def 5).
nursery education — education provided at a school for young children, usually from three to five years old
object identifier — (programming) (OID) Generally an implementation-specific integer or pointer that uniquely identifies an object.
occipital condyle — a protrusion on the occipital bone of the skull that forms a joint with the first cervical vertebra, enabling the head to move relative to the neck.
octadecanoic acid — stearic acid.
odds-on favourite — a person, team, horse, etc that is regarded as the most likely to win a competition
old contemptibles — the British expeditionary force to France in 1914
old red sandstone — a thick sequence of sedimentary rock (generally, but not always, red) deposited in Britain and NW Europe during the Devonian period
on one's deathbed — about to die
on one's doorstep — very close or accessible
on second thought — Often, second thoughts. reservation about a previous action, position, decision, judgment, or the like: He had second thoughts about his decision.
on the barrelhead — upon being presented for sale; at the time of delivery
on the debit side — the debit side of a situation is the aspect of it which is less positive, pleasant, or useful than its other aspects

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