17-letter words containing f, e, r, n, a
- induction furnace — a type of electric furnace used for melting a charge of scrap by the heat produced by its own electrical resistance.
- inertial platform — self-contained navigational devices used in inertial guidance, along with their mounting.
- infinite integral — improper integral (def 1).
- infinitive marker — a word or affix occurring with the verb stem in the infinitive, such as to in to make
- integral function — an entire function.
- intensive farming — battery rearing of animals
- interconfessional — common to or occurring between churches having different confessions.
- interfenestration — a space between two windows.
- interference drag — the drag on an aircraft caused by the interaction of two aerodynamic bodies.
- interim financing — temporary financing
- internal conflict — psychological struggle within the mind of a literary or dramatic character, the resolution of which creates the plot's suspense: Hamlet's inaction is caused by internal conflict.
- interprofessional — following an occupation as a means of livelihood or for gain: a professional builder.
- intraspecifically — Between individuals of the same species.
- isherwood framing — a system for framing steel vessels in which light, closely spaced, longitudinal frames are connected by heavy, widely spaced transverse frames with deep webs.
- it's your funeral — If someone says to you 'It's your funeral', they think your decision or your actions will have bad consequences for you, but they are unwilling to interfere.
- john of lancaster — Duke of Bedford, 1389–1435, Bedford, John of Lancaster, Duke of.
- judgment of paris — the decision by Paris to award Aphrodite the golden apple of discord competed for by Aphrodite, Athena, and Hera.
- lance of courtesy — a lance having a blunt head to prevent serious injury by a jouster to an opponent.
- language transfer — transfer (def 20).
- laplace transform — a map of a function, as a signal, defined especially for positive real values, as time greater than zero, into another domain where the function is represented as a sum of exponentials.
- law of reflection — the principle that when a ray of light, radar pulse, or the like, is reflected from a smooth surface the angle of reflection is equal to the angle of incidence, and the incident ray, the reflected ray, and the normal to the surface at the point of incidence all lie in the same plane.
- law of refraction — the principle that for a ray, radar pulse, or the like, that is incident on the interface of two media, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocity of the ray in the first medium to the velocity in the second medium and the incident ray, refracted ray, and normal to the surface at the point of incidence all lie in the same plane.
- lie in wait (for) — to wait so as to catch after planning an ambush or trap (for)
- life and/or death — If you say that something is a matter of life and death, you are emphasizing that it is extremely important, often because someone may die or suffer great harm if people do not act immediately.
- lifelong learning — the provision or use of both formal and informal learning opportunities throughout people's lives in order to foster the continuous development and improvement of the knowledge and skills needed for employment and personal fulfilment
- line of scrimmage — an imaginary line parallel to the goal lines that passes from one sideline to the other through the point of the football closest to the goal line of each team.
- litigation friend — a person acting on behalf of an infant or other person under legal disability
- loose-leaf binder — a hard cover with metal rings inside which is used to hold loose pieces of paper
- macfarlane burnet — Sir (Frank) Macfarlane [muh k-fahr-luh n] /məkˈfɑr lən/ (Show IPA), 1899–1985, Australian physician: Nobel Prize in Physiology 1960.
- magnetizing force — that part of the magnetic induction that is determined at any point in space by the current density and displacement current at that point independently of the magnetic or other physical properties of the surrounding medium. Symbol: H.
- make a difference — have a significant impact
- make reference to — mention, allude to
- man enough to/for — If you say that a man is man enough to do something, you mean that he has the necessary courage or ability to do it.
- man's best friend — a dog, especially as a pet.
- manna from heaven — Bible: food from heaven
- manufactured home — a prefabricated house, assembled in modular sections.
- mare fecunditatis — (Sea of Fertility) a dark plain in the fourth quadrant and extending into the first quadrant of the face of the moon: about 160,000 sq. mi. (415,000 sq. km).
- margaret of anjou — 1430–82, queen of Henry VI of England.
- master of science — a master's degree given usually in a specific branch of the natural sciences, mathematics, or technology.
- maternity benefit — government allowance
- matter of opinion — a point open to question; a debatable statement
- maurice of nassau — Prince of Orange 1567-1625; Du. statesman & military leader
- merchant of death — a company, nation, or person that sells military arms on the international market, usually to the highest bidder and without scruple or regard for political ramifications.
- metallofullerenes — Plural form of metallofullerene.
- methyltransferase — any of a class of enzymes that catalyze the transfer of methyl groups from one molecule to another.
- minimal free form — the smallest unit of language that can make sense on its own
- minister of state — (in the British Parliament) a minister, usually below cabinet rank, appointed to assist a senior minister with heavy responsibilities
- mode of transport — means of travel
- moment of inertia — the sum of the products of the mass and the square of the perpendicular distance to the axis of rotation of each particle in a body rotating about an axis.
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.