21-letter words containing h, o, i, t

member of the wedding — a novel (1946) and play (1950) by Carson McCullers.
methylisothiazolinone — (chemistry) A powerful biocide and preservative within the group of isothiazolinones, used in shampoos etc.
methyltrinitrobenzene — TNT.
metopon hydrochloride — a narcotic drug, C18H21O3N·HCl, derived from morphine, but slightly more potent: used in medicine to relieve pain
miniature photography — photography with a camera using film that is 35 millimeters wide or less.
minister of the crown — any Government minister of cabinet rank
mistress of the robes — (in Britain) a lady of high rank in charge of the Queen's wardrobe
modern apprenticeship — an arrangement that allows a school leaver to gain vocational qualifications while being trained in a job
monochloroacetic acid — chloroacetic acid.
motherwell and wishaw — a burgh in the Motherwell district, in S Scotland.
motivational research — the application of the knowledge and techniques of the social sciences, especially psychology and sociology, to understanding consumer attitudes and behavior: used as a guide in advertising and marketing.
neither fish nor fowl — any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.
neither hide nor hair — nothing whatsoever
night storage heating — a system of heating which uses a heater or radiator that stores heat at night-time because electricity is cheaper
night-blooming cereus — any of various cacti of the genera Hylocereus, Peniocereus, Nyctocereus, or Selenicereus, having large, usually white flowers that open at night.
no smoke without fire — the evidence strongly suggests something has indeed happened
no/nothing other than — You use nothing other than and no other than when you are going to mention a course of action, decision, or description and emphasize that it is the only one possible in the situation.
north atlantic treaty — the treaty (1949) signed by 12 countries, providing for the establishment of NATO.
north east new guinea — the NE part of the former Australian Territory of New Guinea; now part of Papua New Guinea.
north pacific current — a warm current flowing eastward across the Pacific Ocean.
northumberland strait — the part of the Gulf of St. Lawrence that separates Prince Edward Island from New Brunswick and Nova Scotia, in SE Canada. About 200 miles (320 km) long; 9–30 miles (15–48 km) wide.
northwest territories — the region north of the Ohio River, organized by Congress in 1787, comprising present-day Ohio, Indiana, Illinois, Michigan, Wisconsin, and the eastern part of Minnesota.
nothing in particular — not anything specific
of time and the river — a novel (1935) by Thomas Wolfe.
old spanish practices — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
on o's best behaviour — If someone is on their best behaviour, they are trying very hard to behave well.
one foot in the grave — near to death
one thing and another — You can use the expression 'one thing and another' to suggest that there are several reasons for something or several items on a list, but you are not going to explain or mention them all.
one-way hash function — (algorithm) (Or "message digest function") A one-way function which takes a variable-length message and produces a fixed-length hash. Given the hash it is computationally infeasible to find a message with that hash; in fact one can't determine any usable information about a message with that hash, not even a single bit. For some one-way hash functions it's also computationally impossible to determine two messages which produce the same hash. A one-way hash function can be private or public, just like an encryption function. MD5, SHA and Snefru are examples of public one-way hash functions. A public one-way hash function can be used to speed up a public-key digital signature system. Rather than sign a long message, which can take a long time, compute the one-way hash of the message, and sign the hash.
ophthalmia neonatorum — inflammation of the eyes of a newborn child due to an infectious disease, as gonorrhea, contracted during birth from the infected mother.
ortho-dichlorobenzene — a colorless liquid with a pleasant odor, C 6 H 4 Cl 2 , used as a solvent for a wide range of organic materials.
ortho-phosphoric acid — a colorless, crystalline solid, H 3 PO 4 , the tribasic acid of pentavalent phosphorus: used chiefly in fertilizers, as a source of phosphorus salts, and in soft drinks as an acidulant and flavoring agent.
orthogonal projection — a two-dimensional graphic representation of an object in which the projecting lines are at right angles to the plane of the projection. Also called orthogonal projection. Compare isometric (def 5).
orthophosphorous acid — a white to yellowish, crystalline, hygroscopic, water-soluble solid, H 3 PO 3 , used chiefly in the synthesis of phosphites.
otorhinolaryngologist — (medicine) Doctor specializing in otorhinolaryngology, the study of ear, nose, and throat.
part of the furniture — If you describe someone or something as part of the furniture, you are suggesting that they have been somewhere such as their place of work for such a long time that it is hard to imagine that place without them.
path coverage testing — (testing) Testing a program by examining which lines of executable code are visited (as in code coverage testing) and also the ways of getting to each line of code and the subsequent sequence of execution. Path coverage testing is the most comprehensive type of testing that a test suite can provide. It can find more bugs, especially those that are caused by data coupling. However, path coverage is hard and usually only used for small and/or critical sections of code.
pathfinder prospectus — a prospectus regarding the flotation of a new company that contains only sufficient details to test the market reaction
peephole optimisation — (compiler) A kind of low-level code optimisation that considers only a few adjacent machine code instructions at a time and looks for certain combinations which can be replaced with more efficient sequences. E.g. ADD R0, #1 ADD R0, #1 (add one to register R0) could be replaced by ADD R0, #2 as long as there were no jumps to the second instruction.
peephole optimization — peephole optimisation
pellitory-of-the-wall — an urticaceous plant, P. diffusa, of the S and W European genus Parietaria, which grows in crevices and has long narrow leaves and small pink flowers
photoelectric current — photocurrent.
physical anthropology — the branch of anthropology dealing with the evolutionary changes in human anatomy and physiology, using mensurational and descriptive techniques.
pincushion distortion — a distortion produced by a lens in which the magnification increases toward the edge of the field.
polygenic inheritance — the heredity of complex characters that are determined by a large number of genes, each one usually having a relatively small effect.
populist shop steward — a shop steward who operates in a delegate role, putting the immediate interests of his members before union principles and policies
portrait photographer — a photographer who specializes in portraits
potassium diphosphate — any of the three orthophosphates of potassium ((potassium monophosphate) (K 2 HPO 4), (potassium diphosphate) (KH 2 PO 4), and (tripotassium phosphate) (K 3 PO 4) )
potassium thiocyanate — a colorless, crystalline, hygroscopic, water-soluble solid, KSCN, used chiefly in the manufacture of chemicals, dyes, and drugs.
profit-sharing scheme — a scheme employing profit-sharing; a system in which a portion of the net profit of a business is distributed to its employees, usually in proportion to their wages or their length of service

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