16-letter words containing i, n, f, r, a
- peregrine falcon — a globally distributed falcon, Falco peregrinus, much used in falconry because of its swift flight: several subspecies are endangered.
- phase difference — the difference between two sinusoidally varying quantities that have the same frequency, measured either as an angle or a time
- polyvinyl formal — a colorless, water-insoluble, polyvinyl acetal produced from partially hydrolyzed polyvinyl acetate and formaldehyde, used chiefly in the manufacture of lacquers.
- post-reformation — the act of reforming; state of being reformed.
- prespecification — the act of specifying.
- pressure flaking — a method of manufacturing a flint tool by pressing flakes from a stone core with a pointed implement, usually of wood tipped with antler or copper.
- pribilof islands — a group of islands in the Bering Sea, off SW Alaska, belonging to the US: the breeding ground of the northern fur seal. Area: about 168 sq km (65 sq miles)
- prince's feather — a tall, showy plant, Amaranthus hybridus erythrostachys, of the amaranth family, having reddish foliage and thick spikes of small, red flowers.
- prince's-feather — a tall, showy plant, Amaranthus hybridus erythrostachys, of the amaranth family, having reddish foliage and thick spikes of small, red flowers.
- principal rafter — a diagonal member of a roof principal, usually forming part of a truss and supporting the purlins on which the common rafters rest.
- professionalisms — professional character, spirit, or methods.
- puddling-furnace — the act of a person or thing that puddles.
- quarter-finalist — A quarter-finalist is a person or team that is competing in a quarter-final.
- racial profiling — the use of personal characteristics or behavior patterns to make generalizations about a person, as in gender profiling.
- radius of action — the maximum distance that a ship, aircraft, or land vehicle can travel from its base and return without refuelling
- ramen profitable — If a startup business is ramen profitable, it is barely profitable, just enough to allow the founder to live on the cheapest diet.
- rational fortran — (language) (RATFOR) Brian Kernighan's Fortran preprocessor that allows programming with C-like control flow. RATFOR is mainly of historical significance. A translator from Ratfor to Fortran IV was posted to comp.sources.Unix volume 13.
- reclassification — categorization in a different way
- refinery upgrade — A refinery upgrade is the process of introducing the newest technology in some parts of the refinery.
- reflection plane — a plane through a crystal that divides the crystal into two halves that are mirror images of each other.
- reflexive domain — A domain satisfying a recursive domain equation. E.g. D = D -> D.
- refracting angle — an angle formed by a ray which is refracted and which is perpendicular to the refracting surface
- refractive index — index of refraction.
- registration fee — a fee paid to register, enrol or sign up for (a course, etc)
- reidentification — an act or instance of identifying; the state of being identified.
- releasing factor — a substance usually of hypothalamic origin that triggers the release of a particular hormone from an endocrine gland.
- romantic fiction — a genre of fiction focused on romantic love
- rotation of axes — a process of replacing the axes in a Cartesian coordinate system with a new set of axes making a specified angle with and having the same origin as the original axes.
- saccharification — to convert (starch) into sugar.
- santa fe springs — a city in SW California, near Los Angeles: oil wells.
- schiff's reagent — a solution of rosaniline and sulfurous acid in water, used to test for the presence of aldehydes.
- sea fish farming — the farming of saltwater fish
- seat of learning — People sometimes refer to a university or a similar institution as a seat of learning.
- self-advertising — the act or practice of calling public attention to one's product, service, need, etc., especially by paid announcements in newspapers and magazines, over radio or television, on billboards, etc.: to get more customers by advertising.
- self-affirmation — the act or an instance of affirming; state of being affirmed.
- self-approbation — approval; commendation.
- self-degradation — the act of degrading.
- self-deliverance — suicide.
- self-denigrating — to speak damagingly of; criticize in a derogatory manner; sully; defame: to denigrate someone's character.
- self-denigration — to speak damagingly of; criticize in a derogatory manner; sully; defame: to denigrate someone's character.
- self-deprecating — belittling or undervaluing oneself; excessively modest.
- self-deprecation — belittling or undervaluing oneself; excessively modest.
- self-deprivation — the act of depriving.
- self-disparaging — that disparages; tending to belittle or bring reproach upon: a disparaging remark.
- self-dramatizing — exaggerating one's own qualities, role, situation, etc., for dramatic effect or as an attention-getting device; presenting oneself dramatically.
- self-elaboration — an act or instance of elaborating.
- self-integrating — to bring together or incorporate (parts) into a whole.
- self-integration — an act or instance of combining into an integral whole.
- self-lubricating — to apply some oily or greasy substance to (a machine, parts of a mechanism, etc.) in order to diminish friction; oil or grease (something).
- self-lubrication — the process of becoming lubricated without external factors