18-letter words containing o, n, i, u, m
- absolute magnitude — the apparent magnitude a given star would have if it were situated at a distance of 10 parsecs (32.6 light years) from the earth
- accounting machine — a machine for performing bookkeeping functions, as arithmetic operations or vertical and horizontal tabulations.
- accumulation point — a point such that every neighborhood of the point contains at least one point in a given set other than the given point.
- acoustic impedance — the total reaction of a medium to the transmission of sound through it, expressed as the ratio of sound pressure to particle velocity at a given point in the medium.
- acute inflammation — body's response to infection
- adenocarcinomatous — Of or pertaining to adenocarcinomas.
- agammaglobulinemia — a condition of the blood, either congenital or acquired, in which there is near or complete absence of gamma globulin and a failure of the body to form antibodies, resulting in a frequent occurrence of infectious disease.
- ailanthus silkworm — a green silkworm, Samia walkeri, introduced into the U.S. from China, that feeds on the leaves of the ailanthus.
- alexius i comnenus — 1048–1118, ruler of the Byzantine Empire (1081–1118)
- aluminum hydroxide — a white powder, Al(OH)3, obtained from bauxite and used to make glass, paper, etc. and in antacids
- aminosuccinic acid — aspartic acid.
- ammonium carbamate — a white soluble crystalline compound produced by reaction between dry ammonia and carbon dioxide and used as a nitrogen fertilizer. Formula: (NH4)CO2NH2
- ammonium carbonate — an unstable pungent soluble white powder that is a double salt of ammonium bicarbonate and ammonium carbamate: used in the manufacture of baking powder, smelling salts, and ammonium compounds. Formula: (NH4)HCO3.(NH4)CO2NH2
- ammonium hydroxide — a compound existing only in aqueous solution, formed when ammonia dissolves in water to form ammonium ions and hydroxide ions. Formula: NH4OH
- ammonium phosphate — monoammonium phosphate.
- ammonium purpurate — murexide.
- anglican communion — a group of Christian Churches including the Church of England, the Church of Ireland, the Episcopal Church in Scotland, the Church in Wales, and the Episcopal Church in the US, all of which are in full communion with each other
- aorangi-mount cook — the official name for Mount Cook
- army of occupation — an army that goes into a defeated country to enforce peace terms, keep order, etc.
- assumption of risk — Assumption of risk is the practice of paying for minor losses yourself, but protecting against catastrophic losses by buying insurance cover.
- 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.
- 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.
- 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
- 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
- bomb disposal unit — a unit of the police or armed services specializing in bomb disposal
- bring someone luck — If you say that something brings bad luck or brings someone good luck, you believe that it has an influence on whether good or bad things happen to them.
- briquet's syndrome — somatization disorder.
- 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)
- 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)
- circumnavigational — Relating to circumnavigation.
- citizen journalism — the involvement of non-professionals in reporting news, esp in blogs and other websites
- combination square — an adjustable device for carpenters, used as a try square, miter square, level, etc.
- combustion chamber — an enclosed space in which combustion takes place, such as the space above the piston in the cylinder head of an internal-combustion engine or the chambers in a gas turbine or rocket engine in which fuel and oxidant burn
- combustion furnace — a furnace used in the laboratory to carry out elemental analysis of organic compounds
- communication cord — a cord or chain in a train which may be pulled by a passenger to stop the train in an emergency
- communication line — a line carrying communications
- community hospital — (in the US) a local hospital
- community language — a language spoken by members of a minority group or community within a majority language context
- community medicine — medical services for a particular area
- community policing — Community policing is a system in which policemen work only in one particular area of the community, so that everyone knows them.
- community property — the joint ownership of the property of a husband and wife
- commutation ticket — a ticket entitling the holder to travel over the same route, as on a railroad, a specified number of times at a reduced rate
- compassion fatigue — the inability to react sympathetically to a crisis, disaster, etc, because of overexposure to previous crises, disasters, etc
- composite function — a function obtained from two given functions, where the range of one function is contained in the domain of the second function, by assigning to an element in the domain of the first function that element in the range of the second function whose inverse image is the image of the element.
- composition rubber — manufactured rubber
- computer animation — animated film or video that is generated by computers
- computer scientist — a person with advanced knowledge of computers and how they work
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