15-letter words containing f, e, a, l, i
- multiple factor — polygene.
- national forest — forested land owned, maintained, and preserved by the U.S. government.
- neat's-foot oil — a pale-yellow fixed oil made by boiling the feet and shinbones of cattle, used chiefly as a dressing for leather.
- neurofibrillary — Of or pertaining to a neurofibril.
- newtonian fluid — any fluid exhibiting a linear relation between the applied shear stress and the rate of deformation.
- non-falsifiable — to make false or incorrect, especially so as to deceive: to falsify income-tax reports.
- non-feasibility — capable of being done, effected, or accomplished: a feasible plan.
- non-rectifiable — able to be rectified.
- nonconfidential — not confidential
- noninflectional — not inflectional
- nonprofessional — not a member of or trained in a specific profession.
- nonprofessorial — not professorial
- nonquantifiable — not capable of being quantified
- nonsaponifiable — not capable of being saponified
- nonself-antigen — any of the antigens present in an individual that originate outside the body (contrasted with self-antigen).
- nonspecifically — in a nonspecific way
- nuclear fission — fission (def 2).
- official strike — a collective stoppage of work by part or all of the workforce of an organization with the approval of the trade union concerned. The stoppage may be accompanied by the payment of strike pay by the trade union concerned
- oil of lavender — an essential oil distilled from lavender flowers, especially Lavandula angustifolia and L. stoechas, and used in perfumery.
- old father time — time personified
- on the trail of — If you are on the trail of a person or thing, you are trying hard to find them or find out about them.
- overdraft limit — a limit on the amount of money allowed to be withdrawn in excess of the credit balance of a bank or building society account
- overfamiliarity — The state of being overfamiliar.
- paradise flower — a prickly vine, Solanum wendlandii, of the nightshade family, native to Costa Rica, having branched clusters of showy lilac-blue flowers.
- passifloraceous — of, relating to, or belonging to the Passifloraceae, a tropical and subtropical family of climbing plants including the passionflowers: the flowers have five petals and threadlike parts forming a dense mass (corona) around the central disc
- personal friend — a person who is a friend, rather than a colleague or acquaintance
- pied flycatcher — a small black and white migratory bird of Europe and western Asia, Ficedula hypoleuca
- pilgrim fathers — the Pilgrims (of Plymouth Colony)
- pine leaf aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
- plant-hire firm — a company that hires out mobile mechanical equipment for construction, road-making, etc
- platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off the back and side fences.
- platform ticket — a pass allowing a visitor to enter upon a railroad platform from which those not traveling are ordinarily excluded.
- play favourites — to display favouritism
- play kissy-face — to engage in kissing, caressing, etc., esp. overtly or publicly
- power amplifier — an amplifier for increasing the power of a signal.
- preferentialism — the economic system of preference, esp amongst British commonwealth countries
- preferentialist — someone who believes in preferentialism
- preprofessional — of or relating to the time preceding one's concentrated study or practice of a profession: preprofessional training.
- price inflation — inflation fuelled by rising prices
- primrose family — the plant family Primulaceae, characterized by herbaceous plants having simple, opposite, whorled, or basal leaves, flowers with a five-lobed corolla, and capsular fruit, and including cyclamen, loosestrife of the genus Lysimachia, pimpernel, primrose, and shooting star.
- prince of wales — Prince of Wales and Duke of Cornwall ("The Black Prince") 1330–76, English military leader (son of Edward III).
- professionalism — professional character, spirit, or methods.
- professionalist — to give a professional character or status to; make into or establish as a profession.
- professionalize — to give a professional character or status to; make into or establish as a profession.
- purslane family — the plant family Portulacaceae, characterized by chiefly herbaceous plants having simple, often fleshy leaves, sometimes showy flowers, and capsular fruit, and including bitterroot, purslane, red maids, rose moss, and spring beauty.
- qualifying exam — any examination that one needs to pass in order to begin or continue with a course of study
- quality of life — comfort and enjoyment in one's existence
- quality-of-life — affecting the quality of urban life: such quality-of-life crimes as fare-beating and graffiti writing.
- quarantine flag — a yellow flag, designating the letter Q in the International Code of Signals: flown by itself to signify that a ship has no disease on board and requests a pratique, or flown with another flag to signify that there is disease on board ship.
- quarterfinalist — a participant in a quarterfinal contest.