15-letter words containing o, i, l, f, a
- half-round file — a file having a semicircular cross-section
- heralds' office — the official heraldic authority of Scotland.
- heredo-familial — denoting a condition or disease that may be passed from generation to generation and to several members of one family
- holding furnace — a small furnace for holding molten metal produced in a larger melting furnace at a desired temperature for casting.
- holiday feeling — the positive feeling people experience while on holiday and during holiday periods such as the Christmas period
- holiday traffic — increased road traffic during holiday periods and public holidays
- hyperfunctional — of or relating to a function or functions: functional difficulties in the administration.
- in nothing flat — no thing; not anything; naught: to say nothing.
- inefficaciously — Without efficacy or effect.
- inertial fusion — a type of nuclear fusion in which the inertia of matter enables it to fuse by impact, as by pulses of laser radiation or high-energy charged particles, rather than by high temperature
- infantilization — The act or process of infantilizing, or treating a non-infant as an infant.
- infants' school — kindergarten.
- inferior planet — either of the two planets whose orbits are inside the orbit of the earth: Venus and Mercury.
- inflation rider — An inflation rider is a rider that can be added to a long-term care insurance plan that adjusts the benefits over time to allow for inflation.
- inflation-proof — not affected by inflation
- informationally — In an informational manner.
- intake manifold — a collection of tubes through which the fuel-air mixture flows from the carburetor or fuel injector to the intake valves of the cylinders of an internal-combustion engine.
- interfoliaceous — situated between leaves, especially opposite leaves.
- irreformability — the state or condition of being irreformable
- irvine dataflow — (language) (Always called "Id") A non-strict, single assignment language and incremental compiler developed by Arvind and Gostelow and used on MIT's Tagged-Token Dataflow Architecture and planned to be used on Motorola's Monsoon. See also Id Nouveau.
- island grey fox — a similar and related animal, U. littoralis, inhabiting islands off North America
- ja well no fine — used to indicate reluctant acceptance
- kirchhoff's law — the law that the algebraic sum of the currents flowing toward any point in an electric network is zero.
- lake miraflores — an artificial lake in Panama, in the S Canal Zone of the Panama Canal
- land of promise — Promised Land.
- latensification — (in photography) the process of intensifying a latent image by the use of chemicals, extra exposure to light, or other means
- latent function — any function of an institution or other social phenomenon that is unintentional and often unrecognized.
- latino-faliscan — a group of early Italic languages, including Latin and Faliscan.
- law of identity — the law that any proposition implies itself.
- lay a finger on — to harm
- leadwort family — the plant family Plumbaginaceae, characterized by shrubs and herbaceous plants of seacoasts and semiarid regions, having basal or alternate leaves, spikelike clusters of tubular flowers, and dry, one-seeded fruit, and including leadwort, sea lavender, statice, and thrift.
- leaf primordium — a group of cells that will develop into a leaf, seen as small bulges just below the shoot apex.
- liaison officer — a person who liaises between groups or units
- lichenification — a leathery hardening of the skin, usually caused by chronic irritation.
- lie of the land — the topography of the land
- lift-drag ratio — the ratio of the lift to the drag of an airfoil.
- limiting factor — Physiology. the slowest, therefore rate-limiting, step in a process or reaction involving several steps.
- line of apsides — a line joining the lower and higher apsides, forming the major axis of the orbit
- linear function — linear transformation.
- linear manifold — subspace (def 2b).
- lofoten islands — group of Norwegian islands within the Arctic Circle, off the NW coast of Norway: c. 550 sq mi (1,424 sq km)
- louis of nassau — 1538–74, a leader (1568–74) of the revolt of the Netherlands against Spain: died in battle
- low pass filter — (electronics, graphics) A filter that attenuates high frequency components of a signal. In image processing, a low pass filter might be used to remove noise from an image.
- low-pass filter — a filter that transmits all frequencies below a specified value, substantially attenuating frequencies above this value
- magnolia family — the plant family Magnoliaceae, characterized by evergreen or deciduous trees and shrubs having simple, alternate leaves, often showy flowers with a spiral arrangement of their floral parts, and conelike fruit, and including the cucumber tree, magnolia, tulip tree, and umbrella tree.
- mahogany family — the plant family Meliaceae, characterized by tropical and subtropical trees and shrubs having alternate, pinnate leaves, usually branched clusters of flowers, and fruit in the form of a berry or leathery capsule, and including the chinaberry, cedars of the genus Cedrela, and mahoganies of the genera Swietenia and Khaya.
- maid of orléans — Saint ("the Maid of Orléans") 1412?–31, French national heroine and martyr who raised the siege of Orléans.
- mail order firm — a company that sells goods by mail order
- make capital of — to get advantage from
- malconformation — Imperfect, disproportionate, or abnormal formation; disproportion of parts.