17-letter words containing f, e, r, n, l
- immunofluorescent — Of, pertaining to, or using immunofluorescence.
- in double figures — An amount or number that is in single figures is between zero and nine. An amount or number that is in double figures is between ten and ninety-nine. You can also say, for example, that an amount or number is in three figures when it is between one hundred and nine hundred and ninety-nine.
- in the front line — Someone who is in the front line has to play a very important part in defending or achieving something.
- incomplete flower — a flower without one or more of the normal parts, as carpels, sepals, petals, pistils, or stamens.
- inertial platform — self-contained navigational devices used in inertial guidance, along with their mounting.
- infinite integral — improper integral (def 1).
- influence peddler — a person who arranges to obtain favors, as government contracts, from high officials on behalf of others for a fee.
- instrument flying — the control and navigation of an aircraft by reference to its gauges, with no or only limited visual reference outside the cockpit.
- integral function — an entire function.
- interconfessional — common to or occurring between churches having different confessions.
- 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.
- 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.
- juvenile offender — a child or young person who has been found guilty of some offence, act of vandalism, or antisocial behaviour before a juvenile court
- 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.
- life imprisonment — long-term prison sentence
- 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.
- metallofullerenes — Plural form of metallofullerene.
- methyltransferase — any of a class of enzymes that catalyze the transfer of methyl groups from one molecule to another.
- middle of nowhere — a completely isolated, featureless, or insignificant place
- minimal free form — the smallest unit of language that can make sense on its own
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- natural frequency — the frequency at which a system vibrates when set in free vibration
- non-proliferation — Non-proliferation is the limiting of the production and spread of something such as nuclear or chemical weapons.
- noninertial 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.
- not lift a finger — any of the terminal members of the hand, especially one other than the thumb.
- not spare oneself — to exert oneself to the full
- nuclear-free zone — any area in which nuclear weapons, power plants, or materials are not allowed.
- off one's trolley — trolley car.
- off-year election — (in the US) an election held in a year when a presidential election does not take place
- oil of turpentine — a colorless, flammable, volatile essential oil having a penetrating odor and a pungent, bitter taste, obtained from turpentine oleoresin by distillation: used in paints and varnishes, and in medicine as a carminative, vermifuge, expectorant, rubefacient, and, formerly, as a diuretic.
- old norman french — Norman French (sense 1)
- one-parent family — A one-parent family is a family that consists of one parent and his or her children living together.
- orange flower oil — neroli oil.
- out of all reason — unreasonable
- overreach oneself — to fail because of trying to do more than one can
- palette of narmer — a king of Egypt identified by modern scholars as the Menes of tradition and depicted as the unifier of Upper and Lower Egypt on an ancient slate tablet (Narmer Palette or Palette of Narmer) c3200 b.c. with relief carvings on both sides.
- peridot of ceylon — a honey-colored tourmaline, used as a gem: not a true peridot.