18-letter words containing i, n
- authorized version — the revised English translation of the Bible published in England in 1611 with the authorization of King James I
- autogenic training — a technique for reducing stress through mental exercises to produce physical relaxation
- autoignition point — the minimum temperature at which a substance will undergo spontaneous combustion.
- 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.
- autokinetic effect — apparent motion of a single point of light or a small object when presented on a dark field and observed continuously.
- 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.
- auxiliary equation — characteristic equation (def 1b).
- auxiliary language — a language, as Esperanto, Swahili, or English, used for intercommunication by speakers of various other languages.
- auxiliary-equation — Mathematics. the characteristic polynomial of a given matrix, equated to zero. Also called auxiliary equation. an equation with one variable and equated to zero, which is derived from a given linear differential equation and in which the coefficient and power of the variable in each term correspond to the coefficient and order of a derivative in the original equation.
- available quantity — The available quantity of a product is the amount of that product available, or currently available in the store.
- aviation authority — a body that is responsible for overseeing the aviation industry
- aviation insurance — Aviation insurance is insurance cover for aircraft, and for damage, injury, or loss of life or cargo while traveling on aircraft.
- axile placentation — a type of placenta structure in an ovary with the ovules forming at the angles where the septa join the central placenta
- axis of revolution — an axis in a plane, about which an area is revolved to form a solid of revolution.
- 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.
- back in the saddle — at work again
- background reading — reading of related works in order to get contextual information on a topic that you are intending to study or write about
- 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.
- ballistic pendulum — a device consisting of a large mass hung from a horizontal bar by two rods, used to measure the velocity of an object, as a bullet, by retaining the object upon impact, its velocity being a function of the displacement of the mass.
- band-tailed pigeon — a wild pigeon, Columba fasciata, of western North America, having a gray band on its tail.
- bargaining counter — A bargaining counter is the same as a bargaining chip.
- baritone saxophone — the second lowest instrument in the family of saxophones
- bartholin's glands — two small reddish-yellow glands, one on each side of the vaginal orifice, that secrete a mucous lubricating substance during sexual stimulation in females
- bats-in-the-belfry — a hairy Eurasian campanulaceous plant, Campanula trachelium, with bell-shaped blue-purple flowers
- battery eliminator — eliminator (def 2).
- battery-eliminator — a person or thing that eliminates.
- be getting nowhere — If you say that you are getting nowhere, or getting nowhere fast, or that something is getting you nowhere, you mean that you are not achieving anything or having any success.
- be having a moment — If something or someone is having a moment, they are successful or popular at the present time.
- be in good company — If you say that someone is in good company, you mean that they should not be ashamed of a mistake or opinion, because some important or respected people have made the same mistake or have the same opinion.
- be lost in thought — If you are lost in thought, you give all your attention to what you are thinking about and do not notice what is going on around you.
- beaujolais nouveau — the first Beaujolais wine of the season, usually available for sale within two months after the grapes are harvested.
- 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
- bedlington terrier — a lithe, graceful breed of terrier having a long tapering head with no stop and a thick fleecy coat
- before you know it — rapidly, soon
- beggar-my-neighbor — beggar-your-neighbor.
- behavioral science — any of several studies, as sociology, psychology, anthropology, etc., that examine human activities in an attempt to discover recurrent patterns and to formulate rules about social behavior
- behaviour patterns — the characteristic ways in which a person or animal acts
- bellingshausen sea — an area of the S Pacific Ocean off the coast of Antarctica
- bells and whistles — additional features or accessories which are nonessential but very attractive
- benchmark position — a public service job used for comparison with a similar position, such as a position in commerce, for wage settlements
- benzyl thiocyanate — a colorless, crystalline, water-insoluble solid, C 8 H 7 NS, used as an insecticide.
- bernoulli equation — Hydrodynamics. Bernoulli's theorem (def 2).
- berwick-upon-tweed — a town in N England, in N Northumberland at the mouth of the Tweed: much involved in border disputes between England and Scotland between the 12th and 16th centuries; neutral territory 1551–1885. Pop: 12 870 (2001)
- 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.
- 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
- bill of quantities — a document drawn up by a quantity surveyor providing details of the prices, dimensions, etc, of the materials required to build a large structure, such as a factory
- biodiversification — the process by which the diversity of plants or animals develops or is increased within a particular region or group of organisms.
- 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
- biological control — the control of destructive organisms by the use of other organisms, such as the natural predators of the pests
- biological parents — the biological mother and father of a child