12-letter words containing d, e, h
- helicoptered — Simple past tense and past participle of helicopter.
- heliographed — Simple past tense and past participle of heliograph.
- hello, world — (programming) The canonical, minimal, first program that a programmer writes in a new programming language or development environment. The program just prints "hello, world" to standard output in order to verify that the programmer can successfully edit, compile and run a simple program before embarking on anything more challenging. Hello, world is the first example program in the C programming book, K&R, and the tradition has spread from there to pretty much every other language and many of their textbooks. Environments that generate an unreasonably large executable for this trivial test or which require a hairy compiler-linker invocation to generate it are considered bad.
- helping hand — aid; assistance: to give the destitute a helping hand.
- hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
- hemihydrates — Plural form of hemihydrate.
- hemispheroid — half of a spheroid.
- hemodialyses — Plural form of hemodialysis.
- hemodialysis — dialysis of the blood, especially with an artificial kidney, for the removal of waste products.
- hemodialyzer — artificial kidney.
- hemodilution — a decreased concentration of cells and solids in blood, usually caused by an influx of fluid.
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- hemophilioid — (of a disease) resembling hemophilia, but having a different genetic or acquired cause.
- hemorrhoidal — Usually, hemorrhoids. Pathology. an abnormally enlarged vein mainly due to a persistent increase in venous pressure, occurring inside the anal sphincter of the rectum and beneath the mucous membrane (internal hemorrhoid) or outside the anal sphincter and beneath the surface of the anal skin (external hemorrhoid)
- henceforward — from now on; from this point forward.
- hendecagonal — (geometry) Having eleven sides an angles; similar to a hendecagon.
- henry howard — Earl of (Henry Howard) 1517?–47, English poet.
- hepadnavirus — Any member of the virus family Hepadnaviridae, capable of causing liver infections in humans and animals.
- heptahedrons — Plural form of heptahedron.
- heptahydrate — a hydrate that contains seven molecules of water, as magnesium sulfate, MgSO 4 ⋅7H 2 O.
- heraldically — of, relating to, or characteristic of heralds or heraldry: heraldic form; heraldic images; heraldic history; a heraldic device.
- herbicidally — from a herbicidal point of view
- herd's-grass — timothy or redtop, used for hay or pasture.
- here and now — in this place; in this spot or locality (opposed to there): Put the pen here.
- hereditament — any inheritable estate or interest in property.
- hereditarian — a person who believes that differences between individuals or groups, including moral and intellectual attributes, are predominantly determined by genetic factors (opposed to environmentalist).
- hereditarily — passing, or capable of passing, naturally from parent to offspring through the genes: Blue eyes are hereditary in our family. Compare congenital.
- heroic drama — Restoration tragedy, especially that popular in England c1660–1700, using highly rhetorical language and written in heroic couplets.
- herringboned — Simple past tense and past participle of herringbone.
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heterodoxies — Plural form of heterodoxy.
- heteroduplex — having polynucleotide strands derived from two different sources
- heterodyning — Present participle of heterodyne.
- heteroploidy — (genetics) The state of being heteroploid.
- heterostyled — (of a plant) having styles of different forms or lengths in the flowers.
- hexachloride — a chloride containing six atoms of chlorine.
- hexadactylic — having six fingers or toes
- hexadecanoic — Of or pertaining to hexadecanoic acid or its derivatives.
- hexadecapole — (physics) Anything having sixteen poles or electrodes, or a combination of four quadrupoles.
- hexafluoride — a fluoride containing six atoms of fluorine.
- hexahydrates — Plural form of hexahydrate.
- hide or hair — the pelt or skin of one of the larger animals (cow, horse, buffalo, etc.), raw or dressed.
- hideaway bed — a sofa, loveseat, etc., that can be converted into a bed, usually by folding out a concealed mattress and springs.
- hiding place — location where sb is concealed
- hidradenitis — (medicine) inflammation of the sweat glands.
- hidropoiesis — the production of sweat.
- hierarchized — Simple past tense and past participle of hierarchize.
- high density — floppy disk
- high hurdles — a race in which runners leap over hurdles 42 inches (107 cm) high.
- high-colored — deep in color; vivid.