19-letter words containing h, e, d, r, o, n

on top of the world — the highest or loftiest point or part of anything; apex; summit. Synonyms: zenith, acme, peak, pinnacle, vertex. Antonyms: bottom, base, foot, lowest point.
one way and another — on balance
orthopaedic surgeon — a surgeon specializing in the branch of surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
out of the ordinary — of no special quality or interest; commonplace; unexceptional: One novel is brilliant, the other is decidedly ordinary; an ordinary person.
over someone's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
overhead projection — the projection (using an overhead projector) of an enlarged image of a transparency onto a surface above and behind the person using it
overplay one's hand — If you say that someone is overplaying something such as a problem, you mean that they are making it seem more important than it really is.
paradichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
parathyroid hormone — a polypeptide hormone, produced in the parathyroid glands, that helps regulate the blood levels of calcium and phosphate. Abbreviation: PTH.
phenylthiocarbamide — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
photodisintegration — the disintegration of a nucleus, induced by its absorption of a photon.
pocket-handkerchief — handkerchief (def 1).
priority scheduling — (operating system) Processes scheduling in which the scheduler selects tasks to run based on their priority as opposed to, say, a simple round-robin. Priorities may be static or dynamic. Static priorities are assigned at the time of creation, while dynamic priorities are based on the processes' behaviour while in the system. For example, the scheduler may favour I/O-intensive tasks so that expensive requests can be issued as early as possible. A danger of priority scheduling is starvation, in which processes with lower priorities are not given the opportunity to run. In order to avoid starvation, in preemptive scheduling, the priority of a process is gradually reduced while it is running. Eventually, the priority of the running process will no longer be the highest, and the next process will start running. This method is called aging.
psychoendocrinology — the study of the relationship between the endocrine system and various symptoms or types of mental illness.
ralph waldo emerson — Ralph Waldo [wawl-doh,, wol-] /ˈwɔl doʊ,, ˈwɒl-/ (Show IPA), 1803–82, U.S. essayist and poet.
rancho palos verdes — a town in SW California.
regular icosahedron — an icosahedron in which each of the faces is an equilateral triangle
reticuloendothelial — pertaining to, resembling, or involving cells of the reticuloendothelial system.
rhodesian ridgeback — a large short-haired breed of dog characterized by a ridge of hair growing along the back in the opposite direction to the rest of the coat. It was originally a hunting dog from South Africa
right-eyed flounder — any of several flatfishes of the family Pleuronectidae, having both eyes on the right side of the head.
run into the ground — to do too long or too often; overdo
run-length encoding — A kind of compression algorithm which replaces sequences ("runs") of consecutive repeated characters (or other units of data) with a single character and the length of the run. This can either be applied to all input characters, including runs of length one, or a special character can be used to introduce a run-length encoded group. The longer and more frequent the runs are, the greater the compression that will be achieved. This technique is particularly useful for encoding black and white images where the data units would be single bit pixels.
sandwich generation — the generation of people still raising their children while having to care for their aging parents.
sell down the river — a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels.
sheet flood erosion — Geology. erosion by sheets of running water, rather than by streams.
sidereal hour angle — the angle, measured westward through 360°, between the hour circle passing through the vernal equinox and the hour circle of a celestial body.
spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
stakeholder pension — In Britain, a stakeholder pension is a flexible pension scheme with low charges. Both employees and the state contribute to the scheme, which is optional, and is in addition to the basic state pension.
standard atmosphere — an arbitrarily determined vertical distribution of atmospheric pressure, temperature, and density, assumed to have physical constants and conforming to parametric equations, used for calculations in ballistics, the design of pressure altimeters, etc.
straightforwardness — going or directed straight ahead: a straightforward gaze.
strontium hydroxide — a white, slightly water-soluble powder, Sr(OH) 2 , or its crystalline octahydrate (strontium hydrate) used chiefly in the refining of beet sugar.
sulfureted hydrogen — hydrogen sulfide.
telephone directory — a book, directory, or the like, usually containing an alphabetical list of telephone subscribers in a city or other area, together with their addresses and telephone numbers.
the best of friends — If two people are the best of friends, they are close friends, especially when they have had a disagreement or fight in the past.
the end of the road — If a process or person has reached the end of the road, they are unable to progress any further.
the golden triangle — an opium-producing area of SE Asia, comprising parts of Myanmar, Laos, and Thailand
the hampshire downs — a range of low chalk hills that crosses Hampshire in S England
the world of cryton — (TWOC) A BBS for the Acorn Archimedes. Telephone: +44 (1749) 670 030 (24hrs, most speeds).
theodore von karman — Theodore, 1881–1963, U.S. scientist and aeronautical engineer, born in Hungary.
third international — an international organization (1919–43), founded in Moscow, uniting Communist groups of various countries and advocating the attainment of their ends by violent revolution. Also called Comintern, Communist International. Compare international (def 6).
thorn in one's side — a sharp excrescence on a plant, especially a sharp-pointed aborted branch; spine; prickle.
three-point landing — an aircraft landing in which the two wheels of the main landing gear and the tail or nose wheel touch the ground simultaneously.
threshold agreement — an agreement between an employer and employees or their union to increase wages by a specified sum if inflation exceeds a specified level in a specified time
throw cold water on — having a relatively low temperature; having little or no warmth: cold water; a cold day.
throw in one's hand — (in cards) to concede defeat by putting one's cards down
to be reckoned with — of considerable importance or influence
to change your mind — If you change your mind, or if someone or something changes your mind, you change a decision you have made or an opinion that you had.
to do the drying-up — to dry dishes, cups, glasses, etc after they have been washed
to hang by a thread — If you say that something is hanging by a thread, you mean that it is in a very uncertain state and is unlikely to survive or succeed.
to hold your tongue — If you hold your tongue, you do not say anything even though you might want to or be expected to, because it is the wrong time to say it.

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