15-letter words containing a, c, i, d, m
- humidifications — Plural form of humidification.
- humpback bridge — arched bridge
- hurdle champion — a hurdler who has defeated all others in a competition
- hydraulic motor — a motor that converts the kinetic or potential energy of a fluid into mechanical energy.
- hydrodynamicist — a specialist in hydrodynamics.
- hydromechanical — Of or pertaining to hydromechanics.
- hydroxycoumarin — (organic compound) Any of several isomeric hydroxy derivatives of coumarin, some of which are the basis of pharmaceuticals.
- hyperdemocratic — pertaining to or of the nature of democracy or a democracy.
- identical rhyme — rhyme created by the repetition of a word.
- impact adhesive — a glue designed to give adhesion when two coated surfaces are pressed together
- incendiary bomb — a bomb that is designed to start fires
- indemnification — the act of indemnifying; state of being indemnified.
- indirect demand — the secondary demand for labour, raw materials, premises etc which arises from the direct demand for goods
- intramyocardial — Into or within the myocardium.
- inverted commas — Inverted commas are punctuation marks that are used in writing to show where speech or a quotation begins and ends. They are usually written or printed as ' ' or " ". Inverted commas are also sometimes used around the titles of books, plays, or songs, or around a word or phrase that is being discussed.
- isolated camera — a television camera used to isolate a subject, part of a sports play, etc., for instant replay.
- judicial murder — the unjustified execution of the death penalty
- lambda particle — any of a family of neutral baryons with strangeness −1 or charm +1, and isotopic spin 0. The least massive member of the lambda family was the first strange particle to be discovered. Symbol: Λ.
- laryngectomized — having had one's larynx surgically removed by undergoing a laryngectomy
- limited company — a company in which the shareholders cannot be assessed for debts of the company beyond the sum they still have invested in the company.
- mackinac bridge — a suspension bridge over the Straits of Mackinac, connecting the Upper and Lower peninsulas of Michigan: one of the longest suspension bridges in the world. 3800-foot (1158-meter) center span; 7400 feet (2256 meters) in total length.
- macroprudential — Of or pertaining to systemic prudence, especially to the strengths and vulnerabilities of financial systems.
- mad cow disease — BSE: bovine spongiform encephalopathy
- magnetic domain — a portion of a ferromagnetic material where the magnetic moments are aligned with one another because of interactions between molecules or atoms.
- magnetic needle — a slender magnetized steel rod that, when adjusted to swing in a horizontal plane, as in a compass, indicates the direction of the earth's magnetic fields or the approximate position of north and south.
- man-made fabric — a type of fabric that is made artificially, such as polyester or rayon, rather than occurring naturally, like cotton or wool
- mandarin collar — a narrow, stand-up collar, not quite meeting at the front.
- marching orders — military orders, esp to infantry, giving instructions about a march, its destination, etc
- maria de medici — Marie de Médicis.
- marie de france — flourished 12th century, French poet in England.
- mass production — the production or manufacture of goods in large quantities, especially by machinery.
- mass-producible — to produce or manufacture (goods) in large quantities, especially by machinery.
- massed practice — learning with no intervals or short intervals between successive bouts of learning
- master cylinder — the hydraulic pump of an automotive braking system that contains a cylinder and one or two pistons, is actuated by the brake pedal, and supplies hydraulic fluid under pressure to the brakes at each wheel.
- mastoid process — a large, bony prominence on the base of the skull behind the ear, containing air spaces that connect with the middle ear cavity.
- mastoidectomies — Plural form of mastoidectomy.
- matrix bar code — a type of 2D bar code that stores data in a matrix of geometrically shaped dark and light cells that represent bits. See also QR code.
- media converter — (networking) A component used in Ethernet, although it is not part of the IEEE standard. The IEEE standard states that all segments must be linked with repeaters. Media converters were developed as a simpler, cheaper alternative to repeaters. However, in the 1990s the cost difference between the two is negligible.
- mediastinoscopy — (medicine) A procedure for examining the inside of the mediastinum and the organs it encloses through a small incision, using an endoscope. This is a surgical procedure normally done under general anesthesia.
- medical history — the past background of a person in terms of health
- medical officer — a doctor of medicine who serves in the armed forces in a medical capacity
- medical records — written information about a person's health during their life to date
- medical student — trainee doctor
- medical studies — a course of study leading to qualification as a doctor of medicine
- medical tourism — tourist travel for the purpose of receiving medical treatment or improving health or fitness: The spiraling cost of healthcare has contributed to the growth of medical tourism. Also called health tourism.
- medicinal leech — a bloodsucking leech, Hirudo medicinalis, of Europe, introduced into the northeastern U.S., usually green with brown stripes, up to 4 inches (10 cm) long: once used by physicians to bleed patients.
- melamine-coated — covered with an outer layer of melamine
- mental handicap — learning disability
- meridian circle — a transit instrument provided with a graduated vertical scale, used to measure the declinations of heavenly bodies and to determine the time of meridian transits.
- michael faraday — Michael, 1791–1867, English physicist and chemist: discoverer of electromagnetic induction.