12-letter words containing l, f, r
- in a flutter — agitated, flustered
- inartificial — Not artificial; natural; simple; artless.
- infiltrating — Present participle of infiltrate.
- infiltration — the act or process of infiltrating.
- infiltrative — to filter into or through; permeate.
- infiltrators — Plural form of infiltrator.
- inflammatory — tending to arouse anger, hostility, passion, etc.: inflammatory speeches.
- inflationary — of, pertaining to, reflective of, or causing inflation: inflationary prices.
- inflorescent — Of, pertaining to or causing inflorescence.
- infomercials — Plural form of infomercial.
- informercial — infomercial.
- informidable — (obsolete) Not formidable; not to be feared or dreaded.
- infraclasses — Plural form of infraclass.
- infraorbital — (anatomy) Below the orbit (of the eye).
- infrequently — happening or occurring at long intervals or rarely: infrequent visits.
- infundibular — a funnel-shaped organ or part.
- insufferable — not to be endured; intolerable; unbearable: their insufferable insolence.
- insufferably — not to be endured; intolerable; unbearable: their insufferable insolence.
- interfaculty — an ability, natural or acquired, for a particular kind of action: a faculty for making friends easily.
- interfemoral — situated between the thighs
- interfertile — able to interbreed.
- interfilling — a filling of materials, as brickwork between studs.
- interfluence — the action of flowing together or merging
- interfoliate — to interleave
- interfrontal — situated between the frontal bones
- interleafing — Present participle of interleaf.
- iron sulfate — ferrous sulfate.
- irreflection — lack of careful or long consideration
- irreflective — Without mental reflection.
- irreformable — insusceptible to reforming influences; incorrigible.
- irreformably — in an irreformable manner
- irrefragable — not to be disputed or contested.
- irrefragably — In an irrefragable state or condition.
- isapi filter — (web) A replaceable DLL which the server calls whenever there is an HTTP request. When the filter is first loaded, it communicates to the server what sort of notifications will be accepted. After that, whenever a selected event occurs, the filter is called to process the event. Example applications of ISAPI filters include custom authentication schemes, compression, encryption, logging, traffic analysis or other request analyses.
- jaculiferous — having dartlike spines.
- jugal furrow — (in certain insects) the crease, between the anal and jugal veins, along which the wing folds.
- jungle fever — a severe variety of malarial fever occurring in the East Indies and the tropics.
- kupfernickel — (archaic) cupronickel.
- labour force — The labour force consists of all the people who are able to work in a country or area, or all the people who work for a particular company.
- lachrymiform — Shaped like a teardrop.
- laffer curve — a relationship postulated between tax rates and tax receipts indicating that rates above a certain level actually produce less revenue because they discourage taxable endeavors and vice versa.
- lamella roof — a vaulted roof composed of lamellae.
- laminar flow — the flow of a viscous fluid in which particles of the fluid move in parallel layers, each of which has a constant velocity but is in motion relative to its neighboring layers.
- lantern fish — any of several small, deep-sea fishes of the family Myctophidae, having rows of luminous organs along each side, certain species of which migrate to the surface at night.
- larch sawfly — a red and black sawfly, Pristiphora erichsonii, the larvae of which infest and feed on the leaves of larch.
- large-format — of or relating to a camera with an image area of 5 inches by 4 inches or more
- laticiferous — bearing or containing latex.
- law of areas — any one of three laws governing planetary motion: each planet revolves in an ellipse, with the sun at one focus; the line connecting a planet to the sun sweeps out equal areas in equal periods of time (law of areas) or the square of the period of revolution of each planet is proportional to the cube of the semimajor axis of the planet's orbit (harmonic law)
- leaf mustard — a pungent powder or paste prepared from the seed of the mustard plant, used as a food seasoning or condiment, and medicinally in plasters, poultices, etc.
- leaf through — one of the expanded, usually green organs borne by the stem of a plant.