19-letter words containing er
- grandmother's clock — a pendulum clock similar to a grandfather's clock but shorter.
- grasshopper sparrow — a brown and white North American sparrow, Ammodramus savannarum, having a buffy breast and a buzzing insectlike song.
- grasshopper warbler — a Eurasian warbler Locustella naevia
- great idaean mother — Cybele.
- great indian desert — a desert in NW India and S Pakistan. About 77,000 sq. mi. (200,000 sq. km).
- great-granddaughter — a granddaughter of one's son or daughter.
- grocer's apostrophe — an apostrophe placed before a final s intended to indicate the plural but in fact forming the possessive
- ground-plane aerial — a quarter-wave vertical dipole aerial in which the electrical image forming the other quarter-wave section is formed by reflection in a system of radially disposed metal rods or in a conductive sheet
- guerrilla financing — the use of unconventional and marginally legal means to capitalize enterprises
- hairdryer treatment — (esp in sport) the practice of shouting at someone at close quarters in order to express one's displeasure at something he or she has done
- half wave rectifier — A half wave rectifier removes the negative component of an alternating signal leaving only the positive part.
- half-wave rectifier — a rectifier that changes only one half of a cycle of alternating current into a pulsating, direct current.
- harbinger-of-spring — a North American umbelliferous herb, Erigenia bulbosa, having white flowers that bloom early in the spring.
- haul over the coals — a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Compare anthracite, bituminous coal, lignite.
- heavy-water reactor — a nuclear reactor that uses heavy water as moderator
- helsinki conference — Conference on Security and Cooperation in Europe.
- hemidemisemiquavers — Plural form of hemidemisemiquaver.
- hermes trismegistus — a name variously ascribed by Neoplatonists and others to an Egyptian priest or to the Egyptian god Thoth, to some extent identified with the Grecian Hermes: various mystical, religious, philosophical, astrological, and alchemical writings were ascribed to him.
- hermetically sealed — airtight
- hermitian conjugate — adjoint (def 2).
- herpes zoster virus — a type of herpesvirus that causes chickenpox and shingles.
- hester lynch piozzi — Hester Lynch (Hester Lynch Piozzi) 1741–1821, Welsh writer and friend of Samuel Johnson.
- high-bush cranberry — cranberry bush
- high-energy physics — the branch of particle physics that deals with the collisions of particles accelerated to such high energies that new elementary particles are created by the collisions.
- high-flying tippler — a variety of domestic pigeon bred mainly for flying
- hold no terrors for — If something holds no terrors for you, you are not at all frightened or worried by it.
- hudson river school — a group of American painters of the mid-19th century whose works are characterized by a highly romantic treatment of landscape, especially along the Hudson River.
- hydroelectric power — electricity generated by water
- hyper-nationalistic — a person devoted to nationalism.
- hyperbolic cosecant — a hyperbolic function that is the reciprocal of hyperbolic sine
- hyperbolic function — a function of an angle expressed as a relationship between the distances from a point on a hyperbola to the origin and to the coordinate axes, as hyperbolic sine or hyperbolic cosine: often expressed as combinations of exponential functions.
- hyperbolic geometry — the branch of non-Euclidean geometry that replaces the parallel postulate of Euclidean geometry with the postulate that two distinct lines may be drawn parallel to a given line through a point not on the given line.
- hypercholesteraemia — (medicine) An abnormally high level of cholesterol in the blood.
- hyperfine structure — the splitting of the lines of an atomic spectrum, produced by the angular momentum of the nucleus of the atom.
- hyperfocal distance — the distance, at a given f number, between a camera lens and the nearest point (hyperfocal point) having satisfactory definition when focused at infinity.
- hyperparathyroidism — overactivity of the parathyroid gland, characterized by softening of the bones, with consequent pain, tenderness, and a tendency to spontaneous fractures, and by muscular weakness and abdominal cramps.
- hyperphosphorylated — Simple past tense and past participle of hyperphosphorylate.
- hyperresponsiveness — An abnormally increased responsiveness, especially that due to hypersensitivity or hyperreactivity.
- hypersuggestibility — subject to or easily influenced by suggestion.
- hypocholesterolemia — an abnormally low amount of cholesterol in the blood.
- hypocholesterolemic — (pathology) Of, pertaining to, or having hypocholesterolemia.
- hysterosalpingogram — An X-ray image taken during hysterosalpingography.
- immersion objective — a microscope objective of high resolving power in which the space between the front lens and the cover glass is filled with an oil whose index of refraction is close to that of the objective and the cover glass.
- immigration officer — official administrating incoming foreigners
- imperative language — (language) Any programming language that specifies explicit manipulation of the state of the computer system, not to be confused with a procedural language, which specifies an explicit sequence of steps to perform. An example of an imperative (but non-procedural) language is a data manipulation language for a relational database management system. This specifies changes to the database but does not necessarily require anyone to specify a sequence of steps. Both contrast with declarative languages, which specify neither explicit state manipulation nor a sequence of steps.
- imperial preference — a proposed system whereby free trade and levelled tariffs would exist between nations belonging to the British Commonwealth, in order to increase the prosperity of and unity between these nation
- imperial presidency — a U.S. presidency that is characterized by greater power than the Constitution allows.
- imperial war museum — a museum in London, founded in 1920, containing material related to military operations involving British and Commonwealth forces since 1914
- in consideration of — the act of considering; careful thought; meditation; deliberation: I will give your project full consideration.
- in descending order — starting with the biggest, most important, highest etc and continuing in decreasing order to end with the smallest, least important, lowest, etc