14-letter words containing a, g, r, p
- highway patrol — a state law-enforcement organization whose officers safeguard the highways.
- historiography — the body of literature dealing with historical matters; histories collectively.
- hydrographical — Hydrographic.
- hyper-vigilant — keenly watchful to detect danger; wary: a vigilant sentry.
- hyperglycaemia — an abnormally high level of glucose in the blood.
- hyperglycaemic — Alternative spelling of hyperglycemic.
- hypergolically — in a hypergolic manner
- hyperoxygenate — to treat, combine, or enrich with oxygen: to oxygenate the blood.
- hyperthreading — (computing) A form of microprocessor parallelization where each physical processor is treated as two virtual processors.
- hypervigilance — state or quality of being vigilant; watchfulness: Vigilance is required in the event of treachery.
- hypoallergenic — designed to reduce or minimize the possibility of an allergic response, as by containing relatively few or no potentially irritating substances: hypoallergenic cosmetics.
- imaginary part — the coefficient b in the complex number a + bi.
- imparidigitate — having an odd number of fingers on each limb
- imperial eagle — a brown eagle, Aquila heliaca, of Asia and southern Europe: the subspecies A. heliaca adalberti is endangered.
- impregnability — strong enough to resist or withstand attack; not to be taken by force, unconquerable: an impregnable fort.
- infant prodigy — an exceptionally talented child
- interblock gap — the area or space separating consecutive blocks of data or consecutive physical records on an external storage medium.
- iris diaphragm — a composite diaphragm with a central aperture readily adjustable for size, used to regulate the amount of light admitted to a lens or optical system.
- isocyano group — the univalent group −NC.
- king's pattern — a spoon pattern of the 19th century having a stem decorated with threads, scrolls, and shell motifs.
- knight templar — Templar.
- l-asparaginase — an enzyme that destroys asparagine, a nonessential amino acid needed as a nutrient by rapidly growing cells: used in treating leukemia
- la grange park — a city in NE Illinois, near Chicago.
- laryngopharynx — the lower part of the pharynx, above the larynx.
- laryngoscopies — Plural form of laryngoscopy.
- legislatorship — The office or position of a legislator.
- lexicographers — Plural form of lexicographer.
- lexicographist — (chiefly, archaic) A student specialising in the discipline of lexicography; lexicographer.
- lexington park — a town in S Maryland.
- lipogrammatism — the practice or art of writing lipograms
- lipogrammatist — a person who writes lipograms
- lithographical — Of or pertaining to lithography.
- lopping shears — long-handled pruning shears.
- louangphrabang — a city in N Laos, on the Mekong River: former royal capital.
- lugger topsail — a fore-and-aft topsail used above a lugsail.
- lupus vulgaris — a rare form of tuberculosis of the skin, characterized by brownish tubercles that often heal slowly and leave scars.
- lymphangiogram — an X-ray of the lymphatic system taken after a contrast agent has been injected, often used to diagnose lymphoma
- macrosporangia — Plural form of macrosporangium.
- magnetic strip — a strip of magnetic material on which information may be stored, as by an electromagnetic process, for automatic reading, decoding, or recognition by a device that detects magnetic variations on the strip: a credit card with a magnetic strip to prevent counterfeiting.
- magnetospheres — Plural form of magnetosphere.
- magnetospheric — Of, pertaining to, or happening within the magnetosphere.
- manganese spar — Mineralogy. rhodonite or rhodochrosite.
- mangrove swamp — a coastal marine swamp of tropical or subtropical regions that is dominated by mangrove trees.
- marathon group — an encounter group that meets for an extended period of time, as eight hours to a week, in the belief that the resultant intensity and intimacy will lead to a more open expression of feelings.
- massage parlor — a commercial establishment providing massages.
- masterplanning — to construct a master plan for: to master-plan one's career.
- mastigophorous — carrying a cane or whip
- megasporangium — a sporangium containing megaspores.
- megasporophyll — a sporophyll producing megasporangia only.
- memory mapping — a technique whereby computer peripherals may be addressed as though they formed part of the main memory of the computer