18-letter words containing h, o, r, n
- dry-powder inhaler — A dry-powder inhaler is a device that delivers medication to the lungs in the form of a dry powder.
- duchenne dystrophy — the most common form of muscular dystrophy, usually affecting only boys
- duty-free shopping — the making of duty-free purchases
- each and every one — all
- echoencephalograph — a device that employs reflected ultrasonic waves to examine the position of brain structures.
- economic geography — a branch of geography that deals with the relation of physical and economic conditions to the production and utilization of raw materials and their manufacture into finished products.
- eggshell porcelain — a type of very thin translucent porcelain originally made in China
- elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
- every now and then — from time to time; occasionally
- exchange programme — an arrangement in which people from different countries visit each other's country, perhaps to strengthen links between them or to improve foreign language skills
- fall to the ground — (of a plan, theory, etc) to be rendered invalid, esp because of lack of necessary information
- farm the long acre — to graze cows on the verge of a road
- feather one's nest — one of the horny structures forming the principal covering of birds, consisting typically of a hard, tubular portion attached to the body and tapering into a thinner, stemlike portion bearing a series of slender, barbed processes that interlock to form a flat structure on each side.
- feldenkrais method — a system of gentle movements that promote flexibility, coordination, and self-awareness
- fifth monarchy men — (during the Commonwealth in the 17th century) a militant sect of Puritans who identified the fifth monarchy with the millennial reign of Christ and who believed they should help to inaugurate that reign by force.
- fischer von erlach — Johann Bernhard [yaw-hahn bern-hahrt] /ˈyɔ hɑn ˈbɛrn hɑrt/ (Show IPA), 1656–1723, Austrian architect.
- for heaven's sake! — a mild exclamation of surprise, annoyance, etc.
- for the time being — the system of those sequential relations that any event has to any other, as past, present, or future; indefinite and continuous duration regarded as that in which events succeed one another.
- forensic chemistry — the application of facts concerning chemistry to questions of civil and criminal law.
- forethoughtfulness — The condition of being forethoughtful.
- fourth commandment — “Remember the sabbath day, to keep it holy”: fourth of the Ten Commandments.
- fourth normal form — database normalisation
- fracture toughness — The fracture toughness of a material is how likely it is to resist fracture.
- from hand to mouth — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- from the ground up — the solid surface of the earth; firm or dry land: to fall to the ground.
- front of the house — façade of residential building, house front
- genetic algorithms — genetic algorithm
- get off the ground — project: start well
- get one's irish up — of, relating to, or characteristic of Ireland, its inhabitants, or their language.
- glomerulonephritis — a kidney disease affecting the capillaries of the glomeruli, characterized by albuminuria, edema, and hypertension.
- go down in history — If someone or something goes down in history, people in the future remember them because of particular actions that they have done or because of particular events that have happened.
- government housing — housing owned and managed by the federal or state government, which is rented out to tenants, esp as a form of affordable housing
- grasshopper engine — a steam engine having a piston attached to one end of a beam that is hinged to an upright at the other end, the connecting rod being suspended from near the center of the beam.
- green-backed heron — a small, American heron, Butorides striatus, having glossy green wings.
- greenhouse warming — the increase in the mean temperature of the earth attributed to the greenhouse effect
- ha ha only serious — (SF fandom, originally as mutation of HHOK, "Ha Ha Only Kidding") A phrase (often seen abbreviated as HHOS) that aptly captures the flavour of much hacker discourse. Applied especially to parodies, absurdities, and ironic jokes that are both intended and perceived to contain a possibly disquieting amount of truth, or truths that are constructed on in-joke and self-parody. The Jargon File contains many examples of ha-ha-only-serious in both form and content. Indeed, the entirety of hacker culture is often perceived as ha-ha-only-serious by hackers themselves; to take it either too lightly or too seriously marks a person as an outsider, a wannabee, or in larval stage. For further enlightenment on this subject, consult any Zen master. See also AI koan.
- half-open interval — a set of numbers between two given numbers but including only one endpoint.
- hamilton's problem — Hamiltonian problem
- harnessed antelope — any African antelope of the genus Tragelaphus, especially the bushbuck, having the body marked with white stripes and spots that resemble a harness, and, in the male, long, gently spiraling horns.
- hash house slinger — a person who serves in a cheap cafe
- haulage contractor — a person or firm that transports goods by lorry
- have eyes only for — the organ of sight, in vertebrates typically one of a pair of spherical bodies contained in an orbit of the skull and in humans appearing externally as a dense, white, curved membrane, or sclera, surrounding a circular, colored portion, or iris, that is covered by a clear, curved membrane, or cornea, and in the center of which is an opening, or pupil, through which light passes to the retina.
- have money to burn — to have more money than one needs, so that some can be spent foolishly
- have one's ears on — the organ of hearing and equilibrium in vertebrates, in humans consisting of an external ear that gathers sound vibrations, a middle ear in which the vibrations resonate against the tympanic membrane, and a fluid-filled internal ear that maintains balance and that conducts the tympanic vibrations to the auditory nerve, which transmits them as impulses to the brain.
- head and shoulders — If you say that someone or something stands head and shoulders above other people or things, you mean that they are a lot better than them.
- heart-rate monitor — a machine that monitors or records a person's heart rate
- hearts and flowers — maudlin sentimentality: The play is a period piece, full of innocence abused and hearts and flowers.
- heimlich manoeuvre — a technique in first aid to dislodge a foreign body in a person's windpipe by applying sudden upward pressure on the upper abdomen
- helicopter gunship — military attack helicopter
- helicopter station — a place where helicopters are kept in readiness for use