17-letter words containing a, d, o, n
- hoare powerdomain — powerdomain
- hodgkin's disease — a type of cancer characterized by progressive chronic inflammation and enlargement of the lymph nodes of the neck, armpit, groin, and mesentery, by enlargement of the spleen and occasionally of the liver and the kidneys, and by lymphoid infiltration along the blood vessels.
- hold one's breath — If you say that someone is holding their breath, you mean that they are waiting anxiously or excitedly for something to happen.
- hold sb to ransom — If you say that someone is holding you to ransom in British English, or holding you for ransom in American English, you mean that they are using their power to try to force you to do something which you do not want to do.
- holding operation — a plan or procedure devised to prolong the existing situation
- hollandaise sauce — a sauce of egg yolks, butter, lemon juice, and seasonings.
- homeland security — national defence
- homogentisic acid — an intermediate compound in the metabolism of tyrosine and of phenylalanine, found in excess in the blood and urine of persons affected with alkaptonuria.
- homovanillic acid — the end product of dopamine metabolism, C 9 H 10 O 4 , found in human urine.
- hot-and-sour soup — a spicy Chinese soup made with pork, chicken, beans, vinegar, etc., served hot
- hottentot's bread — elephant's-foot.
- household ammonia — diluted ammonia, often having a small quantity of detergent, used in the home for cleaning.
- how the land lies — the prevailing conditions or state of affairs
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
- hydrothermal vent — an opening on the floor of the sea from which hot, mineral-rich solutions issue. Compare vent1 (def 2).
- hydroxytryptamine — (organic compound) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin).
- hypochondriacally — In a hypochondriacal manner.
- hypophrygian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from B to B, with the final on E.
- i am bound to say — You can say 'I am bound to say' to introduce a statement expressing something that you find undesirable or unexpected.
- i beg your pardon — You say 'Pardon?' or 'I beg your pardon?' or, in American English, 'Pardon me?' when you want someone to repeat what they have just said because you have not heard or understood it.
- i wouldn't say no — You use 'I wouldn't say no' to indicate that you would like something, especially something that has just been offered to you.
- icosidodecahedron — A semiregular polyhedron with twelve faces that are regular pentagons and twenty that are equilateral triangles.
- icositetrahedrons — Plural form of icositetrahedron.
- idiosyncratically — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
- imitation doublet — a doublet formed entirely of glass.
- immediate version — child version
- immunodiagnostics — the determination of immunologic characteristics of individuals, cells, and other biologic entities.
- in all likelihood — very probably
- in broad daylight — openly, in full public view
- in double harness — in a harness for two animals pulling the same carriage, plow, etc.
- in the background — behind the focus of attention
- in/into disrepair — If something is in disrepair or is in a state of disrepair, it is broken or in bad condition.
- in/with regard to — You can use with regard to or in regard to to indicate the subject that is being talked or written about.
- inconsiderateness — without due regard for the rights or feelings of others: It was inconsiderate of him to keep us waiting.
- incubation period — the period between infection and the appearance of signs of a disease.
- independent axiom — in a set of axioms, one that cannot be proved by using the others in the set.
- indian rope-trick — the supposed Indian feat of climbing an unsupported rope
- indicator diagram — a graphical or other representation of the cyclic variations of pressure and volume within the cylinder of a reciprocating engine obtained by using an indicator
- indicator species — See at indicator (def 6).
- indicial equation — an equation that is obtained from a given linear differential equation and that indicates whether a solution in power series form exists for the differential equation.
- indirect taxation — duty paid on goods or services
- individualisation — Alternative spelling of individualization.
- individualization — to make individual or distinctive; give an individual or distinctive character to.
- indoleacetic acid — a crystalline, water-insoluble powder, C 10 H 9 NO 2 , a natural plant hormone, used especially for stimulating growth and root formation in plant cutting.
- induction furnace — a type of electric furnace used for melting a charge of scrap by the heat produced by its own electrical resistance.
- induction heating — a method of heating a conducting material, as metal in a furnace, by using electromagnetic induction to establish a current in the material.
- industrial action — job action.
- industrial school — a school for teaching one or more branches of industry; trade or vocational school.
- industrialisation — Alternative spelling of industrialization.