18-letter words containing h, a, r, d, i, s
- give sb their head — If you give someone their head, you allow them to do what they want to do, without trying to advise or stop them.
- have words with sb — If one person has words with another, or if two or more people have words, they have a serious discussion or argument, especially because one has complained about the other's behaviour.
- hemidemisemiquaver — a sixty-fourth note.
- heteroscedasticity — (statistics) The property of a series of random variables of 'not' every variable having the same finite variance.
- heteroskedasticity — Alternative spelling of heteroscedasticity.
- hold a reservation — If a hotel holds a reservation, it keeps a room for someone, and does not give it to someone else.
- honour moderations — (at Oxford University) the first public examination, in which candidates are placed into one of three classes of honours
- hydroxytryptamines — Plural form of hydroxytryptamine.
- hyperaldosteronism — aldosteronism.
- hypoparathyroidism — Diminished concentration of parathyroid hormone in the blood, which causes deficiencies of calcium and phosphorus compounds in the blood and results in muscular spasms.
- hyposulfurous acid — an acid, H 2 S 2 O 4 , next in a series below sulfurous acid, known only in solution or in the form of its salts.
- incidental charges — Incidental charges are costs of items and services that are not part of the main bill.
- industrial hygiene — the science that assesses, controls, and prevents occupational factors or sources of stress in the workplace that may significantly affect the health and well-being of employees or of the community in general
- industrial vehicle — a vehicle designed for use in industry
- kitchen-sink drama — a type of drama of the 1950s depicting the sordid aspects of domestic reality
- lincoln's birthday — February 12, a legal holiday in some states of the U.S., in honor of the birth of Abraham Lincoln.
- lipopolysaccharide — any of a class of polysaccharides to which lipids are attached.
- logarithmus dualis — (mathematics) (ld) Latin for logarithm base two. More commonly written as "log" with a subscript "2". Roughly the number of bits required to represent an integer.
- manhattan district — (during World War II) the code name for a unit of US army engineers established in 1942 to construct secret sites for the development of the atomic bomb
- materials handling — the loading, unloading, and movement of goods, as within a factory or warehouse, especially by the aid of mechanical devices.
- methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.
- mucopolysaccharide — (formerly) glycosaminoglycan.
- netherlands guiana — a former name of Suriname.
- neuropsychodynamic — Of or pertaining to neuropsychodynamics.
- northeast corridor — the long, narrow strip of land between Boston, New York City, and Washington, D.C., containing many adjacent urban areas.
- on the danger list — critically ill in hospital
- orthotungstic acid — an oxyacid acid of tungsten. Formula: H2WO4
- parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
- phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
- pitch-and-run shot — chip shot.
- 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.
- 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.
- pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
- 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
- pyrosulphuric acid — a fuming liquid acid made by adding sulphur trioxide to concentrated sulphuric acid. Formula: H2S2O7
- 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.
- registered charity — official aid organization
- residential school — (in Canada) a boarding school maintained by the Canadian government for Indian and Inuit children from sparsely populated settlements
- rheims-douay bible — Douay Bible.
- rhode island white — one of a dual-purpose American breed of chickens having white feathers and a rose comb.
- rhodes scholarship — one of a number of scholarships at Oxford University, established by the will of Cecil Rhodes, for selected students (Rhodes scholars) from the British Commonwealth and the United States.
- ride a hobby horse — an activity or interest pursued for pleasure or relaxation and not as a main occupation: Her hobbies include stamp-collecting and woodcarving.
- saint john's bread — carob (def 2).
- schofield barracks — a town on central Oahu, in central Hawaii.
- scholarship holder — a person who, because of academic merit, receives financial aid for their studies
- secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
- september holidays — a period of time in September when people do not have to go to school, college or work
- sharp-shinned hawk — a North American hawk, Accipiter striatus, having extremely slender legs, a bluish-gray back, and a white, rusty-barred breast.
- shepherd satellite — a small moon orbiting near a planetary ring, whose gravitational pull helps confine the ring and the ring's extent.