12-letter words containing h, e, d, l
- heldentenors — Plural form of heldentenor.
- 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.
- 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.
- 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)
- hendecagonal — (geometry) Having eleven sides an angles; similar to a hendecagon.
- 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
- hereditarily — passing, or capable of passing, naturally from parent to offspring through the genes: Blue eyes are hereditary in our family. Compare congenital.
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heteroduplex — having polynucleotide strands derived from two different sources
- 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
- hexadecapole — (physics) Anything having sixteen poles or electrodes, or a combination of four quadrupoles.
- hexafluoride — a fluoride containing six atoms of fluorine.
- hiding place — location where sb is concealed
- high hurdles — a race in which runners leap over hurdles 42 inches (107 cm) high.
- high-colored — deep in color; vivid.
- highly rated — generally considered to be of high quality
- hinterlander — One who lives in the hinterland.
- hobbledehoys — Plural form of hobbledehoy.
- holiday home — a home that people own in order to holiday in and that is in a different location to the home they usually live in
- holidaymaker — vacationer.
- hollingshead — Holinshed.
- homebuilders — Plural form of homebuilder.
- homebuilding — the designing or constructing of houses.
- homeschooled — Simple past tense and past participle of homeschool.
- hornswoggled — Simple past tense and past participle of hornswoggle.
- horrendously — shockingly dreadful; horrible: a horrendous crime.
- horse-dealer — a person who buys and sells horses as a profession
- hospital bed — a bed having side rails that can be raised or lowered and a mattress base in three jointed sections so that the head, foot, or middle may be raised by a crank or motor, allowing a patient to lie in various positions, as a therapeutic aid or for comfort.
- hospitalised — to place in a hospital for medical care or observation: The doctor hospitalized grandfather as soon as she checked his heart.
- hospitalized — to place in a hospital for medical care or observation: The doctor hospitalized grandfather as soon as she checked his heart.
- housebuilder — One who builds houses, particularly one who does so professionally.
- householders — Plural form of householder.
- huddersfield — a town in West Yorkshire, in N central England.
- human shield — a person or group of people located or intentionally placed in a potential line of fire or in an area likely to be attacked.
- hydraulicked — (of an extracted mineral) excavated using water
- hydrocephaly — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- hydroculture — A type of hydroponics in which plants are grown in a medium that allows the distribution of water and nutrients through capillary action.
- hydrocyclone — A hydrocyclone is a vessel used for separating two liquids with different densities, by the circular movement of fluid.
- hydroecology — The study of support systems in wetlands such as the interactions between water and wildlife habitats.