18-letter words containing m, a, n, u, r
- nonstriated muscle — smooth muscle
- numerical analysis — the branch of mathematics dealing with methods for obtaining approximate numerical solutions of mathematical problems.
- numerical aperture — a measure of the resolving power of a microscope, equal to the index of refraction of the medium in which the object is placed multiplied by the sine of the angle made with the axis by the most oblique ray entering the instrument, the resolving power increasing as the product increases. Abbreviation: N.A.
- 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
- numerical taxonomy — classification of organisms by a comparison of large numbers of observable characteristics that are given equal value instead of being weighted according to possible evolutionary significance.
- of your own making — If you say that something such as a problem you have is of your own making, you mean you have caused or created it yourself.
- order of magnitude — You can use order of magnitude when you are giving an approximate idea of the amount or importance of something.
- pan american union — a former organization of American republics dedicated to furthering understanding and peace: replaced in 1970 by the secretariat of the Organization of American States.
- parachute regiment — an airborne regiment of an army
- parallel computing — parallel processing
- payment by results — a system of wage payment whereby all or part of the wage varies systematically according to the level of work performance of an employee
- perceptual mapping — the use of a graph or map in the development of a new product, in which the proximity of consumers' images of the new product to those of an ideal product provide an indication of the new product's likely success
- pernicious anaemia — Pernicious anaemia is a very severe blood disease.
- plumber's merchant — a shop or business that sells things needed for the job of installing and repairing pipes, fixtures, etc, for water, drainage, and gas
- pneumatic conveyor — a tube through which powdered or granular material, such as cement, grain, etc is transported by a flow of air
- population pyramid — a graph showing the distribution of a population by sex, age, etc.
- portable equipment — Portable equipment is electrical equipment that can easily be moved from one place to another while in operation or while connected to the supply.
- potassium myronate — sinigrin.
- preantepenultimate — third from the end.
- presumption of law — a presumption based upon a policy of law or a general rule and not upon the facts or evidence in an individual case.
- primus inter pares — (of males) first among equals.
- principal argument — the radian measure of the argument between −π and π of a complex number. Compare argument (def 8c).
- production company — an organization which produces, films, plays, television or radio programmes
- production manager — a supervisor of the budget, crew and other details in the production of a film or play
- pulmonary embolism — the blockage of a pulmonary artery, often by a blood clot, that stops the flow of blood to the lungs and which can result in death if untreated
- pulmonic airstream — a current of lung air set in motion by the respiratory muscles in the production of speech.
- pyramus and thisbe — (in Greek legend) two lovers of Babylon: Pyramus, wrongly supposing Thisbe to be dead, killed himself and she, encountering him in his death throes, did the same
- quartz-iodine lamp — a type of tungsten-halogen lamp containing small amounts of iodine and having a quartz envelope, operating at high temperature and producing an intense light for use in car headlamps, etc
- quinacrine mustard — a nitrogen mustard derived from mepacrine and used as a stain for chromosomes
- radiocommunication — communication by means of radio waves
- reciprocating pump — A reciprocating pump is a pump which uses a backward and forward movement to move a fluid.
- recruitment agency — company that places job candidates
- redundancy payment — a sum of money given by an employer to an employee who has been made redundant: usually calculated on the basis of the employee's rate of pay and length of service
- remembrance sunday — the second Sunday in November, which is the Sunday closest to November 11, the anniversary of the armistice of 1918 that ended World War I, on which the dead of both World Wars are commemorated
- repayment schedule — a document detailing the specific terms of a borrower's loan, such as monthly payment, interest rate, due dates etc
- residual magnetism — remanence.
- resuscitation room — an intensive care unit
- roman architecture — buildings in style of ancient Rome
- room for manoeuvre — If you have room for manoeuvre, you have the opportunity to change your plans if it becomes necessary or desirable.
- room occupancy tax — Room occupancy tax is a tax that guests at a hotel have to pay in order to stay there.
- rule of engagement — a directive issued by a military authority controlling the use and degree of force, especially specifying circumstances and limitations for engaging in combat.
- run in sb's family — If a characteristic runs in someone's family, it often occurs in members of that family, in different generations.
- runge-kutta method — a numerical method, involving successive approximations, used to solve differential equations.
- running commentary — non-stop description of sth
- running martingale — martingale (def 2).
- rural municipality — any lightly settled area in Canada lacking a local elected government and administered directly by a provincial government.
- sampling frequency — sample rate
- saturation bombing — intense area bombing intended to destroy everything in the target area.
- sault sainte marie — the rapids of the St. Marys River, between NE Michigan and Ontario, Canada.
- second triumvirate — the coalition and joint rule of the Roman Empire by Antony, Lepidus, and Octavian, begun in 43 bc