18-letter words containing a, d, i, n, t

mid-atlantic ridge — a north-south suboceanic ridge in the Atlantic Ocean from Iceland to Antarctica on whose crest are several groups of islands; shown by plate tectonics to be the axis along which North America has split away from Eurasia, and along which South America has split away from Africa.
mineralocorticoids — Plural form of mineralocorticoid.
misunderestimation — (nonstandard) An inaccurate underestimation, or an act of misunderestimating.
morphine addiction — the fact or condition of being addicted to morphine
moving bed reactor — A moving bed reactor is a reactor in which a layer of catalyst in the form of granules is moved between a reaction area and a regeneration area.
mozilla foundation — (body, web, open source) The body set up by Netscape in January 1998 to coordinate development of the Mozilla browser and to provide a point of contact.
multimedia machine — machines that allow users to control and manipulate sound, video, text and graphics
nailed to the wall — [like a trophy] Said of a bug finally eliminated after protracted, and even heroic, effort.
national guardsman — guardsman (def 2).
native advertising — advertising content on a website that conforms to the design and format of the site and is integrated into the site’s usual content: native advertising that is almost indistinguishable from the paper’s news stories.
natural childbirth — childbirth involving little or no use of drugs or anesthesia and usually involving a program in which the mother is psychologically and physically prepared for the birth process.
neighborhood watch — a neighborhood surveillance program or group in which residents keep watch over one another's houses, patrol the streets, etc., in an attempt to prevent crime.
netherlands guiana — a former name of Suriname.
new forest disease — an infectious eye disease causing acute eye pain in cattle
nickel-and-dime it — to succeed or obtain something gradually by the repeated expenditure of small sums or the slow gathering of votes, power, money, etc. in small increments
nominative-address — a noun naming the person to whom one is speaking.
non-contextualized — to put (a linguistic element, an action, etc.) in a context, especially one that is characteristic or appropriate, as for purposes of study.
non-denominational — of or relating to a denomination or denominations.
non-discriminative — constituting a particular quality, trait, or difference; characteristic; notable.
non-fundamentalist — (sometimes initial capital letter) a religious movement characterized by a strict belief in the literal interpretation of religious texts, especially within American Protestantism and Islam.
non-identification — an act or instance of identifying; the state of being identified.
nonstriated muscle — smooth muscle
normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
northeast corridor — the long, narrow strip of land between Boston, New York City, and Washington, D.C., containing many adjacent urban areas.
not take kindly to — not welcome
notifiable disease — any one of a number of infectious diseases of humans and animals, that must be reported to the public health authorities
numerical identity — the relation that holds between two relata when they are the selfsame entity, that is, when the terms designating them have the same reference
obedience training — the training of an animal, especially a dog, to obey certain commands.
oedipus at colonus — a tragedy by Sophocles, written toward the end of his life and produced posthumously in 401? b.c.
on delicate ground — in a situation requiring tact
on the danger list — critically ill in hospital
operation overlord — the codename for the Allied invasion (June 1944) of northern France
optical soundtrack — the final soundtrack on a motion picture, which appears as a band of black and white serrations along a strip of film to the left of the composite print. Light is shined through the serrations and is converted to audible sound.
order of magnitude — You can use order of magnitude when you are giving an approximate idea of the amount or importance of something.
organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
oriental almandine — a variety of corundum resembling almandine in colour and used as a gemstone
orthotungstic acid — an oxyacid acid of tungsten. Formula: H2WO4
osteitis deformans — Paget's disease.
osteoradionecrosis — bone tissue death induced by radiation.
over and done with — If you say that something is over and done with, you mean that it is completely finished and you do not have to think about it any more.
overdraft interest — interest charged on money withdrawn in excess of the credit balance of a bank or building society account
overidentification — an act or instance of identifying; the state of being identified.
packet switch node — (PSN) A dedicated computer whose purpose is to accept, route and forward packets in a packet-switched network.
paediatric nursing — the branch of nursing concerned with the care of children
paint the town red — a substance composed of solid coloring matter suspended in a liquid medium and applied as a protective or decorative coating to various surfaces, or to canvas or other materials in producing a work of art.
parallel reduction — A form of applicative order reduction in which all redexes in an expression are reduced simultaneously. Variants include parallel outermost reduction and lenient reduction. See normal order reduction.
parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
passing modulation — a modulation of a temporary nature.
passing-out parade — a ceremonial parade of cadets who have completed their training
payment in advance — If a business asks for payment in advance, the payment must be received in full before the goods or services are delivered.

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