21-letter words containing h, o, a, r
- electrochromatography — chromatography effected by the influence of an applied electric field
- electroencephalograms — Plural form of electroencephalogram.
- electroencephalograph — A machine used for electroencephalography.
- electromyographically — By means of, or in terms of, electromyography.
- electronystagmography — A diagnostic test to record involuntary movements of the eye caused by a condition known as nystagmus. It can also be used to diagnose the cause of vertigo, dizziness or balance dysfunction by testing the vestibular system.
- enhanced oil recovery — any of several techniques that make it possible to recover more oil than can be obtained by natural pressure, such as the injection of fluid or gases into an oilfield to force more oil to the surface
- enharmonic modulation — a change of key achieved by regarding a note in one key as an equivalent note in another. Thus E flat in the key of A flat could be regarded as D sharp in the key of B major
- equiangular hyperbola — a hyperbola with transverse and conjugate axes equal to each other.
- ethics of the fathers — a treatise of the Mishnah that comprises six chapters and consists chiefly of proverbs, aphorisms, and principles of ethics, law, and religion.
- every dog has his day — one's luck will come
- fermat's last theorem — the unproved theorem that the equation xn + yn = zn has no solution for x, y, z nonzero integers when n is greater than 2.
- first baron ashburton — Alexander, 1st Baron Ashburton, 1774–1848, British statesman.
- first consonant shift — the consonant shift described by Grimm's law, which distinguishes Germanic languages from other Indo-European languages.
- fluorophosphoric acid — any of three acids containing fluorine and phosphorus, HPF 6 , HPO 2 F 2 , or H 2 PO 3 F.
- foreign exchange rate — the rate that specifies how much the currency of a nation is worth in terms of the currency of another nation
- forensic anthropology — the branch of physical anthropology in which anthropological data, criteria, and techniques are used to determine the sex, age, genetic population, or parentage of skeletal or biological materials in questions of civil or criminal law.
- forward exchange rate — the exchange rate of a currency to be delivered at a later date
- frankfort on the main — a city in W central Germany, on the Main River.
- frankfort on the oder — a city in NE Germany, on the Oder River.
- french fried potatoes — a more formal name for chips
- frequent wash shampoo — a shampoo whose mildness allows it to be used frequently
- from dan to beersheba — from one end of Israel to the other: Judg. 20:1
- gamma hydroxybutyrate — a substance that occurs naturally in the brain, used medically as a sedative but also as a recreational drug and alleged aphrodisiac: known as 'liquid ecstasy' when mixed with alcohol
- gastrohepatic omentum — lesser omentum.
- general of the armies — a special rank held by John J. Pershing, equivalent to general of the army.
- gentleman of the road — a highwayman.
- gestalt psychotherapy — a therapy devised in the US in the 1960s in which patients are encouraged to concentrate on the immediate present and to express their true feelings
- get in someone's hair — any of the numerous fine, usually cylindrical, keratinous filaments growing from the skin of humans and animals; a pilus.
- get one's breath back — When you get your breath back after doing something energetic, you start breathing normally again.
- get/have the hots for — If you say that one person has the hots for another, you mean that they feel a strong sexual attraction to that person.
- give a horse its head — to allow a horse to gallop by lengthening the reins
- give sb the runaround — If someone gives you the runaround, they deliberately do not give you all the information or help that you want, and send you to another person or place to get it.
- go down the wrong way — (of food) to pass into the windpipe instead of the gullet
- goldbach's conjecture — the conjecture that every even number greater than two is the sum of two prime numbers
- got what one deserved — If you say that someone got what they deserved, you mean that they deserved the bad thing that happened to them, and you have no sympathy for them.
- gram-molecular weight — gram molecule. Abbreviation: GMW.
- greenwich observatory — the national astronomical observatory of Great Britain, housed in a castle in E Sussex; formerly located at Greenwich.
- ground-effect machine — ACV (def 2).
- harriet beecher stowe — Harriet (Elizabeth) Beecher, 1811–96, U.S. abolitionist and novelist.
- have a strong stomach — not to be prone to nausea
- have heard sth before — If you say that you have heard something before, you mean that you are not interested in it, or do not believe it, or are not surprised about it, because you already know about it or have experienced it.
- have one's cards read — If you have your cards read, you have your fortune told by someone who uses playing cards or tarot cards to tell you about yourself and predict your future.
- have someone's number — a numeral or group of numerals.
- hawaiian honeycreeper — any small to medium-sized finches of the subfamily Drepanidinae, native to the Hawaiian Islands and including many rare and extinct species.
- hay-pauncefote treaty — an agreement (1901) between the U.S. and Great Britain giving the U.S. the sole right to build a canal across Central America connecting the Atlantic and Pacific.
- heliocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
- help a person on with — to assist a person in the putting on of (clothes)
- henry steele commager — Henry Steele, 1902–98, U.S. historian, author, and teacher.
- hexachlorocyclohexane — (chemistry) A six-chlorine substituted cyclohexane, a polyhalogenated compound used in pesticides.
- highest common factor — greatest common divisor. Abbreviation: H.C.F.