18-letter words containing o, s, i
- (go) off the rails — (to go) off the proper course
- (in) the worst way — very much; greatly
- a shot in the dark — If you describe something someone says or does as a shot in the dark or a stab in the dark, you mean they are guessing that what they say is correct or that what they do will be successful.
- able-bodied seaman — an ordinary seaman, esp one in the merchant navy, who has been trained in certain skills
- abominable snowman — a large legendary manlike or apelike creature, alleged to inhabit the Himalayan Mountains
- absolute liability — full legal responsibility for damages or for an injury, without the need for proof and regardless of the degree of negligence or fault
- 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
- absolute viscosity — a full name for viscosity, used to distinguish it from kinematic viscosity and specific viscosity
- absorption costing — a method of cost accounting in which overheads are apportioned to cost centres, where they are absorbed using predetermined rates
- accident proneness — the unconscious tendency, thought to exist in some people, to involve themselves in a large number of accidents
- acorn risc machine — (processor) The original name of the Advanced RISC Machine.
- 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.
- acoustic inertance — inertance.
- acoustic phonetics — the branch of phonetics concerned with the acoustic properties of human speech
- acoustic reactance — acoustic impedance caused by the inertia and elasticity of the transmitting medium.
- address resolution — (networking) Conversion of an Internet address into the corresponding physical address (Ethernet address). This is usually done using Address Resolution Protocol. The resolver is a library routine and a set of processes which converts hostnames into Internet addresses, though this process in not usually referred to as resolution. See DNS.
- adenocarcinomatous — Of or pertaining to adenocarcinomas.
- adenosylmethionine — (biochemistry) An adenosyl derivative of methionine that is a common co-substrate involved in transmethylation.
- adverse possession — the occupation or possession of land by a person not legally entitled to it. If continued unopposed for a period specifed by law, such occupation extinguishes the title of the rightful owner
- advice and consent — a phrase in the Constitution (Article II, Section 2) allowing the Senate to restrain presidential powers of appointment and treaty-making.
- aerospace medicine — aviation medicine
- 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
- affective disorder — any mental disorder, such as depression or mania, that is characterized by abnormal disturbances of mood
- age discrimination — discrimination against older people, especially by employers
- agostino di duccio — 1415–81, Italian sculptor, noted for his carved marble panels in the interior of the Tempio Malatestiano at Rimini
- agro-industrialize — to industrialize the agriculture of: to agro-industrialize a developing nation.
- ailanthus silkworm — a green silkworm, Samia walkeri, introduced into the U.S. from China, that feeds on the leaves of the ailanthus.
- air-to-air missile — a missile fired from an aircraft that targets other aircraft in flight
- air-to-sea missile — a missile fired from an aircraft that has a target on the sea
- airspeed indicator — a dial that indicates the airspeed at which an aircraft is travelling
- alcoholic solution — An alcoholic solution is mixture of water and ethanol, used as a solvent.
- alexius i comnenus — 1048–1118, ruler of the Byzantine Empire (1081–1118)
- along the lines of — similar to
- alphaphotographics — A display made up of text characters combined with high-resolution photographic images (proposed as a future form of videotex).
- alternative school — any public or private school having a special curriculum, especially an elementary or secondary school offering a more flexible program of study than a traditional school.
- aminosuccinic acid — aspartic acid.
- ammonium phosphate — monoammonium phosphate.
- anaphylactic shock — a severe, sometimes fatal, reaction to a substance to which a person has an extreme sensitivity, often involving respiratory difficulty and circulation failure
- angiotensinogenase — (enzyme) renin.
- angular dispersion — a measure of the angular separation of light rays of different wavelength or color traversing a prism or diffraction grating, equal to the rate of change of the angle of deviation with respect to the change in wavelength.
- anthropomorphising — Present participle of anthropomorphise.
- anti-commercialism — the principles, practices, and spirit of commerce.
- anti-masonic party — a former political party (1826–35) that opposed Freemasonry in civil affairs.
- anti-miscegenation — marriage or cohabitation between two people from different racial groups, especially, in the U.S., between a black person and a white person: In 1968 the Supreme Court ruled unanimously that state laws prohibiting miscegenation were unconstitutional.
- anti-scholasticism — narrow adherence to traditional teachings, doctrines, or methods.
- anticholinesterase — any of a group of substances that inhibit the action of cholinesterase
- antidiscrimination — (legal) Opposing or disallowing discrimination.
- antiferromagnetism — the phenomenon exhibited by substances that resemble paramagnetic substances in the value of their relative permeability but that behave like ferromagnetic substances when their temperature is varied
- antiprostaglandins — Plural form of antiprostaglandin.
- antiscorbutic acid — vitamin C
On this page, we collect all 18-letter words with O-S-I. It’s easy to find right word with a certain length. It is the easiest way to find 18-letter word that contains in O-S-I to use in Scrabble or Crossword puzzles