18-letter words containing e, t, h, y
- (in) the worst way — very much; greatly
- acadian flycatcher — a small, greenish tyrant flycatcher (Empidonax virescens) found in deciduous forests of E North America
- according to hoyle — according to the rules and regulations; in the prescribed, fair, or correct way
- adenosylmethionine — (biochemistry) An adenosyl derivative of methionine that is a common co-substrate involved in transmethylation.
- aerial photography — Aerial photography is the process of taking photographs of an area from above, for example from an airplane or mast.
- aerothermodynamics — the study of the exchange of heat between solids and gases, esp of the heating effect on aircraft flying through the air at very high speeds
- ahead of your time — If someone is ahead of their time or before their time, they have new ideas a long time before other people start to think in the same way.
- alumina trihydrate — a crystalline, water-insoluble powder, Al(OH) 3 or Al 2 O 3 ⋅3H 2 O, obtained chiefly from bauxite: used in the manufacture of glass, ceramics, and printing inks, in dyeing, and in medicine as an antacid and in the treatment of ulcers.
- analytical machine — Analytical Engine
- anthropocentricity — the state or quality of being anthropocentric.
- aperture synthesis — an array of radio telescopes used in radio astronomy to simulate a single large-aperture telescope. Some such instruments use movable dishes while others use fixed dishes
- as the case may be — according to the circumstances
- attribution theory — the theory that tries to explain how people link actions and emotions to particular causes, both internal and external
- auditory phonetics — the branch of phonetics concerned with the perception of speech sounds by humans
- ayatollah khomeini — Ayatollah Ruhollah [roo-hoh-luh;; Persian roo-haw-lah] /ruˈhoʊ lə;; Persian ˌru hɔˈlɑ/ (Show IPA), 1900?–89, Islamic leader of Iran 1979–89.
- bachelorette party — A bachelorette party is a party for a woman who is getting married very soon, to which only women are invited.
- bats-in-the-belfry — a hairy Eurasian campanulaceous plant, Campanula trachelium, with bell-shaped blue-purple flowers
- benzyl thiocyanate — a colorless, crystalline, water-insoluble solid, C 8 H 7 NS, used as an insecticide.
- beta-naphthylamine — a white to reddish, crystalline, water-soluble, extremely toxic solid, C 10 H 9 N, used chiefly in the manufacture of azo dyes.
- beyond one's depth — in water deeper than one is tall
- biological therapy — biotherapy
- bloggs family, the — An imaginary family consisting of Fred and Mary Bloggs and their children. Used as a standard example in knowledge representation to show the difference between extensional and intensional objects. For example, every occurrence of "Fred Bloggs" is the same unique person, whereas occurrences of "person" may refer to different people. Members of the Bloggs family have been known to pop up in bizarre places such as the DEC Telephone Directory. Compare Mbogo, Dr. Fred.
- bobo the webmonkey — (web) What B1FF was to BITNET users, Bobo the Webmonkey is to webmonkeys - the mythical prototype of incompetent web designers everywhere. In fact, Bobo may be what B1FF became when he grew up. Bobo knows about HTML only what he has learned from viewing the source of other people's Web pages. Bobo doesn't know what a MIME type is, even though someone gave him a hardcopy of the FOLDOC entry for it. Bobo may have used an HTML code validator http://validator.w3.org/ before, but isn't sure. Bobo doesn't know what the difference between GIF and JPEG is. He thinks PNG is a foreign country. All the pages Bobo has designed say "Welcome to [organisation] online!" at the top, and say "click here!" at least three times per page. Bobo has used Photoshop before; he doesn't understand why people keep asking if he's ever been tested for color-blindness. Bobo never got that "its" / "it's" distinction real clear, as you can tell from his pages. Bobo likes
- borax pentahydrate — a white, crystalline, water-soluble solid, Na 2 B 4 O 7 ⋅5H 2 O, used chiefly for killing weeds, as a water softener, and as a disinfectant and deodorizing agent.
- breach of security — an act that violates a country, area, or building's security measures
- catastrophe theory — a mathematical theory that classifies surfaces according to their form
- catcher in the rye — a novel (1951) by J. D. Salinger.
- characteristically — Also, characteristical. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
- chartered surveyor — (in Britain) a surveyor who is registered with the Royal Institution of Chartered Surveyors as having the qualifications, training, and experience to satisfy their professional requirements
- chebyshev equation — Tchebycheff equation.
- chrétien de troyes — 12th century, French poet, who wrote the five Arthurian romances Erec; Cligès; Lancelot, le chevalier de la charette; Yvain, le chevalier au lion; and Perceval, le conte del Graal (?1155–?1190), the first courtly romances
- cognitive ethology — a branch of ethology concerned with the influence of conscious awareness and intention on the behaviour of an animal
- commodity exchange — an exchange where commodities are traded
- computer telephony — Computer Telephone Integration
- corpuscular theory — the theory, originally proposed by Newton, and revived with the development of the quantum theory, that light consists of a stream of particles
- cot death syndrome — the unexplained sudden death of an infant during sleep
- counter-hypothesis — a proposition, or set of propositions, set forth as an explanation for the occurrence of some specified group of phenomena, either asserted merely as a provisional conjecture to guide investigation (working hypothesis) or accepted as highly probable in the light of established facts.
- cranial osteopathy — osteopathy that focuses on the cranium and the spine
- crested flycatcher — any of various tyrant flycatchers (esp. genus Myiarchus) with a prominent crest
- crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
- cut one's eyeteeth — to become experienced or sophisticated
- cyclic pitch lever — a lever in a helicopter to change the angle of attack of individual rotor blades, causing the helicopter to move forwards, backwards, or sideways
- cytoarchitectonics — Cytoarchitecture.
- daisywheel printer — (printer) A kind of impact printer where the characters are arranged on the ends of the spokes of a wheel (resembling the petals on a daisy). The wheel (usually made of plastic) is rotated to select the character to print and then an electrically operated hammer mechanism bends the selected spoke forward slightly, sandwiching an ink ribbon between the character and the paper, as in a typewriter. One advantage of this arrangement over that of a typewriter is that different wheels may be inserted to produce different typefaces.
- death by chocolate — a very rich type of chocolate dessert or cake
- death-valley curve — a curve on a graph showing how the capital of a new company plotted against time declines sharply as the venture capital is used up before income reaches predicted levels
- diethylstilbestrol — a nonsteroidal synthetic estrogen, C 18 H 20 O 2 , used in medicine chiefly in the treatment of menopausal symptoms and in animal feeds for chemical caponization: formerly used during pregnancy for the prevention of miscarriage but discontinued owing to its association with an increased risk of vaginal and cervical cancers in women having had fetal exposure. Abbreviation: DES.
- digital technology — the branch of scientific or engineering knowledge that deals with the creation and practical use of digital or computerized devices, methods, systems, etc.: advances in digital technology.
- dihydrotachysterol — a white, crystalline, water-insoluble sterol, C 28 H 46 O, derived from ergosterol: used chiefly in the treatment of hypoparathyroidism.
- dimethyl sulfoxide — DMSO.
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