16-letter words containing f, n, t
- cutoff frequency — a frequency level above or below which a device fails to respond or operate efficiently
- dark of the moon — the period during which the moon is not visible.
- day of atonement — Yom Kippur
- dead-man's float — a prone floating position, used especially by beginning swimmers, with face downward, legs extended backward, and arms stretched forward.
- deboursification — (jargon) Removal of irrelevant newsgroups from the Newsgroups header of a followup. The term applies particularly to the removal of frivolous groups added by one of the Kooks. See also: sneck.
- debt forgiveness — the action or process of forgiving people their debts
- decimal fraction — a fraction whose denominator is some power of 10, usually indicated by a dot (decimal point or point) written before the numerator: as 0.4 = 4/10; 0.126 = 126/1000.
- declassification — to remove the classification from (information, a document, etc.) that restricts access in terms of secrecy, confidentiality, etc. Compare classification (def 5).
- dedifferentiated — That has undergone dedifferentiation.
- defective number — a positive number that is greater than the sum of all positive integers that are submultiples of it, as 10, which is greater than the sum of 1, 2, and 5.
- defence in depth — the act or practice of positioning successive mutually supporting lines of defence in a given area
- deferred annuity — an annuity that commences not less than one year after the final purchase premium
- deficit spending — Deficit spending is an economic policy in which a government spends more money raised by borrowing than it receives in revenue.
- definite article — The word 'the' is sometimes called the definite article.
- deflationary gap — a situation in which total spending in an economy is insufficient to buy all the output that can be produced with full employment
- deflecting force — the apparent deflection (Coriolis acceleration) of a body in motion with respect to the earth, as seen by an observer on the earth, attributed to a fictitious force (Coriolis force) but actually caused by the rotation of the earth and appearing as a deflection to the right in the Northern Hemisphere and a deflection to the left in the Southern Hemisphere.
- dehumidification — Dehumidification is the removal of vapor from a gas-vapor mixture.
- dentist's office — A dentist's office is the room or house where a dentist works.
- descent function — If a recursive function is of the form f x = ... f (d x) ... then d is known as the descent function.
- dictionary flame — [Usenet] An attempt to sidetrack a debate away from issues by insisting on meanings for key terms that presuppose a desired conclusion or smuggle in an implicit premise. A common tactic of people who prefer argument over definitions to disputes about reality. Compare spelling flame.
- direction finder — a receiver with a loop antenna rotating on a vertical axis, used to ascertain the direction of incoming radio waves.
- disfranchisement — to deprive (a person) of a right of citizenship, as of the right to vote.
- disqualification — an act or instance of disqualifying.
- dissatisfactions — Plural form of dissatisfaction.
- diversifications — Plural form of diversification.
- documentary film — factual, informative film
- dolce far niente — pleasing inactivity.
- dorothy canfield — Dorothy, Fisher, Dorothy Canfield.
- drag coefficient — a measure of the drag of an object in a moving fluid, esp air
- drift transistor — a transistor in which the impurity concentration in the base increases from the collector-base junction to the emitter-base junction, producing a resistivity gradient that greatly increases its high-frequency response
- drug trafficking — smuggling illegal drugs
- dysfunctionality — (uncountable) The condition of being dysfunctional.
- electric furnace — any furnace in which the heat is provided by an electric current
- electronic flash — Photography
- energy-efficient — A device or building that is energy-efficient uses relatively little energy to provide the power it needs.
- equation of time — the difference between apparent solar time and mean solar time, being at a maximum in February (over 14 minutes) and November (over 16 minutes)
- exemplifications — Plural form of exemplification.
- exhaust manifold — An exhaust manifold is a heat-resistant tube that connects an engine to an exhaust pipe.
- external affairs — (formerly) the Canadian federal Foreign Affairs department
- extreme fighting — a combat sport incorporating techniques from a range of martial arts, with little if any regulation of the types of blows permissible
- extrinsic factor — vitamin B12
- face recognition — the ability of a computer to scan, store, and recognize human faces for use in identifying people
- faction fighting — dissension
- fade-in fade-out — an optical effect in which a shot appears gradually out of darkness and then gradually disappears
- fahrenheit scale — Gabriel Daniel [German gah-bree-el dah-nee-el] /German ˈgɑ briˌɛl ˈdɑ niˌɛl/ (Show IPA), 1686–1736, German physicist: devised a temperature scale and introduced the use of mercury in thermometers.
- faintheartedness — The quality or state of being fainthearted.
- fair to middling — free from bias, dishonesty, or injustice: a fair decision; a fair judge.
- falsificationism — (epistemology) A scientific philosophy based on the requirement that hypotheses must be falsifiable in order to be scientific; if a claim is not able to be refuted it is not a scientific claim.
- fantail goldfish — an artificially bred, hardy variety of goldfish, usually oval-shaped and deep orange or calico, with a deeply cleft, four-lobed tail held in line with the body.
- fantasy baseball — imagination, especially when extravagant and unrestrained.