18-letter words containing d, i, e, r

mineralocorticoids — Plural form of mineralocorticoid.
minority president — (in the US) a president who has been elected by the largest number of votes cast but not by a majority of the electorate
misplaced modifier — Grammar. a word, phrase, or clause that seems to refer to or modify an unintended word because of its placement in a sentence, as when young in When young, circuses appeal to all of us.
misunderestimation — (nonstandard) An inaccurate underestimation, or an act of misunderestimating.
mixed martial arts — Mixed martial arts is a sport in which two people fight by hitting, kicking, and holding each other, both in a standing position and on the ground.
mixed-flow turbine — a water turbine in which water flows radially and axially through the rotating vanes
modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).
molecular medicine — the study of disease or injury at the molecular or cellular level.
mordovian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
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.
mucopolysaccharide — (formerly) glycosaminoglycan.
multi-user dungeon — Multi-User Dimension
my lips are sealed — If you tell someone that your lips are sealed, you are promising them that you will keep a secret that they have told you.
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.
needle-nose pliers — long thin pliers
needlestick injury — an injury that is caused by accidentally pricking the skin with a hypodermic needle
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.
network redirector — (networking) An operating system driver that sends data to and receives data from a remote device. A network redirector often provides mechanisms to locate, open, read, write, and delete files and submit print jobs. It also makes available application services such as named pipes and mailslots. When an application needs to send or receive data from a remote device, it sends a call to the redirector. The redirector provides the functionality of the Application layer and Presentation layer of the OSI model. In Microsoft Networking, the network redirectors are implemented as installable file systems (IFS).
neuroendocrinology — the study of the anatomical and physiological interactions between the nervous and endocrine systems.
neuropsychodynamic — Of or pertaining to neuropsychodynamics.
new forest disease — an infectious eye disease causing acute eye pain in cattle
new zealand on air — the operational name for the New Zealand Broadcasting Commission
nitrogen tetroxide — a poisonous compound, N 2 O 4 , occurring as a colorless, water-soluble solid or liquid, dissociating into NO 2 : used chiefly as an oxidizer, especially in rocket fuels, as a nitrating agent, and as an intermediate in the manufacture of nitric acid.
nominative-address — a noun naming the person to whom one is speaking.
non-discriminative — constituting a particular quality, trait, or difference; characteristic; notable.
nondestructiveness — The quality of not being destructive.
nonionic detergent — a detergent that is polar but does not ionize in aqueous solution.
nonstriated muscle — smooth muscle
nord-pas-de-calais — a region of N France, on the Straits of Dover (the Pas de Calais): coal-mining, textile, and metallurgical industries
normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
north bedfordshire — a city in Bedfordshire, in central England.
northeast corridor — the long, narrow strip of land between Boston, New York City, and Washington, D.C., containing many adjacent urban areas.
norwegian elkhound — one of a breed of dogs having a short, compact body, short, pointed ears, and a thick, gray coat, raised originally in Norway for hunting elk and other game.
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.
office of readings — the first of the canonical hours; matins
officer of the day — an officer who has charge of the guard and prisoners on an assigned day at a military installation. Abbreviation: OD, O.D., O.O.D.
on delicate ground — in a situation requiring tact
on the credit side — You say on the credit side in order to introduce one or more good things about a situation or person, usually when you have already mentioned the bad things about them.
on the danger list — critically ill in hospital
operation overlord — the codename for the Allied invasion (June 1944) of northern France
optical disc drive — optical disk drive
optical disk drive — (hardware) (Or "optical disc drive", "optical storage") A generic term for any device that reads and/or writes optical media, i.e. compact discs, DVDs and/or Blu-ray discs or future media that uses light (from a small laser) to read data off a removable, rotating disk. At least one such drive is commonly installed in most personal computers to allow them to play and/or record audio and video media and load and store data such as program installers. The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000 times as much).
order of australia — an order awarded to Australians for outstanding achievement or for service to Australia or to humanity at large; established in 1975
order of magnitude — You can use order of magnitude when you are giving an approximate idea of the amount or importance of something.
order room service — When a customer orders room service, they ask for meals or drinks to be brought to their room.
organized religion — institutionalized religion, usually with a hierarchical clergy and rules to govern the means by which adherents participate
oriental almandine — a variety of corundum resembling almandine in colour and used as a gemstone

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