18-letter words containing h, e, d, r
- middle-of-the-road — favoring, following, or characterized by an intermediate position between two extremes, especially in politics; moderate.
- middleburg heights — a town in N Ohio.
- 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).
- monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
- monte carlo method — a technique for numerically approximating the solution of a mathematical problem by studying the distribution of some random variable, often generated by a computer.
- morphine addiction — the fact or condition of being addicted to morphine
- movers and shakers — a person or thing that moves.
- mucopolysaccharide — (formerly) glycosaminoglycan.
- 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.
- neuropsychodynamic — Of or pertaining to neuropsychodynamics.
- 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.
- not breathe a word — to take air, oxygen, etc., into the lungs and expel it; inhale and exhale; respire.
- oak-leaf hydrangea — a shrub, Hydrangea quercifolia, of the southeastern U.S., having lobed leaves and pyramidal clusters of white flowers.
- 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 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
- on the ragged edge — precariously close to loss of self-control, mental stability, etc.
- one's heart bleeds — used to express sympathetic grief, but often used ironically
- orthopedic surgery — corrective operation on bones or joints
- 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.
- overhead projector — over one's head; aloft; up in the air or sky, especially near the zenith: There was a cloud overhead.
- 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.
- palm beach gardens — a city in SE Florida, near North Palm Beach.
- paper handkerchief — a handkerchief made from tissue paper
- paraurethral gland — any of a group of vestigial glands located in the posterior wall of the urethra in women.
- pass the hat round — to collect money, as for a cause
- permanent hardness — hardness of water that cannot be removed by boiling as it results mainly from the presence of calcium and magnesium chlorides and sulphates
- peter and the wolf — a composition by Sergei Prokofiev written in 1936. It is a children's story with both music and text, spoken by a narrator accompanied by the orchestra
- phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
- phthalic anhydride — a white, crystalline, slightly water-soluble solid, C 8 H 4 O 3 , used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
- planned parenthood — an organization that gives out information on the planning of the number and spacing of the births of one's children, as through the use of birth-control measures
- play the race card — to introduce the subject of race into a public discussion, esp to gain a strategic advantage
- polyvinyl chloride — a white, water-insoluble, thermoplastic resin, derived by the polymerization of vinyl chloride: used chiefly for thin coatings, insulation, and pipings.
- positively charged — having a positive charge
- potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
- prepare the ground — make conditions ready
- price on sb's head — If there is a price on someone 's head, an amount of money has been offered for the capture or killing of that person.
- process scheduling — multitasking
- prometheus unbound — a drama in verse (1820) by Shelley.
- propaganda machine — the group of people, publications, etc, such as of a government, country etc, responsible for the organized dissemination of information, allegations, etc, to assist or damage the cause of a government, movement, etc
- pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
- put heads together — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- 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
- pyromucic aldehyde — furfural.
- random walk theory — the theory that the future movement of share prices does not reflect past movements and therefore will not follow a discernible pattern
- ready when you are — If you say to someone 'Ready when you are', you are telling them that you are now ready to do something and that as soon as they are ready, you will do it.
- rear its ugly head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.