19-letter words containing h, e, m
- euclidean algorithm — Euclid's Algorithm
- eusebius (pamphili) — a.d. 264?-340; Gr. ecclesiastical historian
- exophthalmic goiter — a disease of unknown cause characterized by enlargement of the thyroid gland, overproduction of the thyroid hormone, and abnormal protrusion of the eyeballs
- exophthalmic goitre — a form of hyperthyroidism characterized by enlargement of the thyroid gland, protrusion of the eyeballs, increased basal metabolic rate, and weight loss
- feather-duster worm — any tube-dwelling polychaete worm of the families Sabellidae and Serpulidae, the numerous species having a crown of feathery tentacles used in feeding and respiration.
- feynman, richard p. — Richard P. Feynman
- fifteenth amendment — an amendment to the U.S. Constitution, ratified in 1870, prohibiting the restriction of voting rights “on account of race, color, or previous condition of servitude.”.
- flame-of-the-forest — a leguminous tree, Butea frondosa, native to E India and Myanmar, having hanging clusters of scarlet flowers
- flannelmouth sucker — a sucker, Catostomus latipinnis, of the Colorado River and its tributaries.
- flavor of the month — Informal. the subject of intense, usually temporary interest; the current fashion.
- fly in the ointment — Also called true fly. any of numerous two-winged insects of the order Diptera, especially of the family Muscidae, as the common housefly.
- four colour theorem — four colour map theorem
- frameshift mutation — a mutation caused by frameshift.
- freedom of the city — nominal citizenship in a city, conferred as an honor upon important visitors.
- freedom of the seas — the doctrine that ships of neutral countries may sail anywhere on the high seas without interference by warring powers.
- from rags to riches — a worthless piece of cloth, especially one that is torn or worn.
- general of the army — the highest ranking military officer; the next rank above general.
- geothermal gradient — the increase in temperature with increasing depth within the earth.
- go jump in the lake — a body of fresh or salt water of considerable size, surrounded by land.
- go on a/the rampage — If people go on a rampage, they rush around in a wild or violent way, causing damage or destruction.
- go under the hammer — to be offered for sale by an auctioneer
- grandmother's clock — a pendulum clock similar to a grandfather's clock but shorter.
- great idaean mother — Cybele.
- greenwich mean time — the time as measured on the prime meridian running through Greenwich, England: used in England and as a standard of calculation elsewhere.
- 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
- hairy cell leukemia — a form of cancer in which abnormal cells with many hairlike cytoplasmic projections appear in the bone marrow, liver, spleen, and blood.
- hamiltonian problem — (computability) (Or "Hamilton's problem") A problem in graph theory posed by William Hamilton: given a graph, is there a path through the graph which visits each vertex precisely once (a "Hamiltonian path")? Is there a Hamiltonian path which ends up where it started (a "Hamiltonian cycle" or "Hamiltonian tour")? Hamilton's problem is NP-complete. It has numerous applications, sometimes completely unexpected, in computing.
- handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.
- hate someone's guts — to hate someone intensely
- hatfield-mccoy feud — a blood feud between two mountain clans on the West Virginia–Kentucky border, the Hatfields of West Virginia and the McCoys of Kentucky, that grew out of their being on opposite sides during the Civil War and was especially violent during 1880–90.
- have a few too many — If you say that someone has had a few too many or has had a few, you mean that they have drunk too many alcoholic drinks.
- have a good mind to — (in a human or other conscious being) the element, part, substance, or process that reasons, thinks, feels, wills, perceives, judges, etc.: the processes of the human mind.
- have a problem with — to be unable to understand or do
- have half a mind to — to have the intention of
- have the makings of — show potential as
- heart in your mouth — If your heart is in your mouth, you feel very excited, worried, or frightened.
- heat of sublimation — the heat absorbed by one gram or unit mass of a substance in the process of changing, at a constant temperature and pressure, from a solid to a gaseous state. Compare sublime (def 10).
- heine-borel theorem — the theorem that in a metric space every covering consisting of open sets that covers a closed and compact set has a finite collection of subsets that covers the given set.
- heinrich schliemann — Heinrich [hahyn-rikh] /ˈhaɪn rɪx/ (Show IPA), 1822–90, German archaeologist: excavated ancient cities of Troy and Mycenae.
- hemidemisemiquavers — Plural form of hemidemisemiquaver.
- hepatoportal system — a vascular arrangement in vertebrates through which blood is transported into the liver from capillaries of the stomach, spleen, duodenum, pancreas, and intestines.
- 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).
- high-pressure steam — High-pressure steam is steam which is at or above 75 pounds per square inch gauge pressure.
- highways department — the department of a state, council, etc, responsible for the upkeep of roads and highways
- holiday entitlement — the number of days of paid holiday in a year that a worker is entitled to take
- homme moyen sensuel — an average man, with average tastes and appetites
- hop, step, and jump — triple jump.
- hotel accommodation — the facilities and the quality of accommodation provided by a hotel