18-letter words containing n, o, t, m
- astronomical clock — a complex clock showing astronomical phenomena, such as the phases of the moon
- at someone's elbow — very close to someone; easy to reach
- at/from a distance — If you are at a distance from something, or if you see it or remember it from a distance, you are a long way away from it in space or time.
- atmospheric engine — an early form of single-acting engine in which the power stroke is provided by atmospheric pressure acting upon a piston in an exhausted cylinder.
- atmospheric window — wavelengths of the electromagnetic spectrum that can be transmitted through the earth's atmosphere. Atmospheric windows occur in the visible, infrared, and radio regions of the spectrum
- autoimmune disease — a disease resulting from a disordered immune reaction in which antibodies are produced against one's own tissues, as systemic lupus erythematosus or rheumatoid arthritis.
- automatic tracking — a radar tracking system in which an automatic device uses the echo signal from the tracked object to keep the radar constantly beamed on target and to compute the range of the object.
- autonomous phoneme — a phoneme that is defined or determined by its contrast in sound with other phonemes, without reference to its role in morphology or any other level of linguistic analysis beyond the phonetic level.
- 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.
- bachelor apartment — a flat consisting of one room that is used as a sitting room and bedroom, as well as a kitchenette and a bathroom
- balanced computing — (jargon) Matching computer tools to job activities so that the computer system structure parallels the organisation structure and work functions. Both personal computers and employees operate in a decentralised environment with monitoring of achievement of management objectives from centralised corporate systems.
- basal conglomerate — a conglomerate deposited on an erosion surface and constituting the bottom layer of a stratigraphic series.
- battery eliminator — eliminator (def 2).
- battery-eliminator — a person or thing that eliminates.
- battle of omdurman — a battle (1898) in which the Mahdi's successor and his Ansar followers were defeated by Lord Kitchener's British forces
- be having a moment — If something or someone is having a moment, they are successful or popular at the present time.
- be lost on someone — If advice or a comment is lost on someone, they do not understand it or they pay no attention to it.
- beauty competition — a competition in which the participants, usually women, are judged on their attractiveness, with a prize, and often a title, awarded to the winner
- benchmark position — a public service job used for comparison with a similar position, such as a position in commerce, for wage settlements
- bernard montgomery — Bernard Law, 1st Viscount Montgomery of Alamein ("Monty") 1887–1976, British field marshal: World War II commander of British 8th Army in Africa and Europe.
- bernard of menthon — Saint(11th cent.); Fr. monk who founded hospices in the Swiss Alps: his day is May 28
- bessemer converter — a refractory-lined furnace used to convert pig iron into steel by the Bessemer process
- between you and me — in the space separating (two points, objects, etc.): between New York and Chicago.
- bill of indictment — a formal document accusing a person or persons of crime, formerly presented to a grand jury for certification as a true bill but now signed by a court official
- bioinstrumentation — the use of instruments, as sensors, to detect and measure certain body functions, as of persons in spaceflight, and transmit the data to a point where it is evaluated
- bitwise complement — The bitwise complement of a bit field is a bit field of the same length but with each zero changed to a one and vice versa. This is the same as the ones complement of a binary integer.
- 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
- boltzmann constant — the ratio of the gas constant to the Avogadro constant, equal to 1.380 650 × 10–23 joule per kelvin
- bomb disposal unit — a unit of the police or armed services specializing in bomb disposal
- bottom dead center — Bottom dead center is the point at which the piston of an engine is nearest to the axis of the crankshaft. On a vertical engine, this is the lowest point that the piston reaches.
- bottom dead centre — the position of the crank of a reciprocating engine when the piston is at its nearest point to the crankshaft
- bottom-of-the-line — being the cheapest item of its kind made by a manufacturer; produced as inexpensively as possible (opposed to top-of-the-line): bottom-of-the-line merchandise that has no warranty.
- boundedly complete — (theory) (Or "consistently complete") In domain theory, a complete partial order is boundedly complete if every bounded subset has a least upper bound.
- bounty-fed farmers — farmers who benefit from subsidies
- brand-name product — A brand-name product is one which is made by a well-known manufacturer and has the manufacturer's label on it.
- briquet's syndrome — somatization disorder.
- british somaliland — a former British protectorate (1884–1960) in E Africa, on the Gulf of Aden: united with Italian Somaliland in 1960 to form Somalia (or the Somali Republic); in 1991 the self-styled republic of Somaliland, covering the same area as the former British Somaliland, declared itself independent and continues to function largely as a separate entity, though without international recognition
- bromochloromethane — chlorobromomethane.
- cabinet government — parliamentary government.
- calcium propionate — a white, water-soluble powder, CaC 6 H 10 O 4 , used in bakery products to inhibit the growth of fungi.
- cambrian mountains — a mountain range in Wales, extending from Carmarthenshire in the S to Denbighshire in the N. Highest peak: Aran Fawddwy, 891 m (2970 ft)
- cap of maintenance — a ceremonial cap or hat worn or carried as a symbol of office, rank, etc
- captain james cook — Frederick Albert, 1865–1940, U.S. physician and polar explorer.
- career development — a progression through a series of jobs, each with more responsibility and a higher income than the last
- carpenterworm moth — any moth of the family Cossidae, as Prionoxystus robiniae of the U.S. and southern Canada, whose larvae bore into the trunks and branches of oaks, locusts, and other trees.
- castration complex — an unconscious fear of having one's genitals removed, as a punishment for wishing to have sex with a parent
- cat's cry syndrome — a complex of congenital malformations in human infants caused by a chromosomal aberration and in which the infant emits a mewing cry.
- catalonian jasmine — a shrub, Jasminum grandiflorum, of India, having crimson-tinged, fragrant white flowers, grown as an ornamental and for perfume.
- catskill mountains — a mountain range in SE New York State: resort. Highest peak: Slide Mountain, 1261 m (4204 ft)
- caucasus mountains — a mountain range in SW Russia, running along the N borders of Georgia and Azerbaijan, between the Black Sea and the Caspian Sea: mostly over 2700 m (9000 ft). Highest peak: Mount Elbrus, 5642 m (18 510 ft)