17-letter words containing a, c, n, e, d
- hammer and sickle — the emblem of the Soviet Union, adopted in 1923 and consisting of an insignia of a hammer with its handle across the blade of a sickle and a star above.
- handicap register — a list of the disabled people in its area that a local authority had a duty to compile under the Chronically Sick and Disabled Persons Act 1970
- henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
- heptanedioic acid — pimelic acid.
- hexacosanoic acid — cerotic acid.
- hexadecanoic acid — palmitic acid.
- 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.
- i can't be fagged — I can't be bothered
- icosidodecahedron — A semiregular polyhedron with twelve faces that are regular pentagons and twenty that are equilateral triangles.
- icositetrahedrons — Plural form of icositetrahedron.
- in the background — behind the focus of attention
- incandescent lamp — a lamp that emits light due to the glowing of a heated material, especially the common device in which a tungsten filament enclosed within an evacuated glass bulb is rendered luminous by the passage of an electric current through it.
- incendiary device — a bomb that is designed to start fires
- 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.
- indecipherability — Quality of being indecipherable.
- independence hall — the building in Philadelphia where the Declaration of Independence was signed.
- indescribableness — The quality of being indescribable.
- indian rope-trick — the supposed Indian feat of climbing an unsupported rope
- 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
- 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.
- inertial guidance — a guidance system for an aerospace vehicle, in which self-contained devices determine the vehicle's course on the basis of the directions and magnitudes of the accelerations it undergoes in flight.
- integrated course — a course that covers several subjects
- integrated optics — an assembly of miniature optical elements of a size comparable to those used in electronic integrated circuits.
- integrated school — (in New Zealand) a private or church school that has joined the state school system
- interactive video — a computer-optical disk system that displays still or moving video images as determined by computer program and user needs
- intercommunicated — Simple past tense and past participle of intercommunicate.
- interdisciplinary — combining or involving two or more academic disciplines or fields of study: The economics and history departments are offering an interdisciplinary seminar on Asia.
- interference drag — the drag on an aircraft caused by the interaction of two aerodynamic bodies.
- intermediate card — a card used in the carding process to transfer sliver from the breaker card to the finisher card.
- intermediate care — an intermediate level of healthcare for chronically ill, disabled, or elderly people, especially in a facility for this purpose.
- internal medicine — the branch of medicine dealing with the diagnosis and nonsurgical treatment of diseases, especially of internal organ systems.
- invincible armada — Armada.
- kendal sneck bent — a fishhook having a wide, squarish bend.
- keyboard commando — (messaging) A bulletin board user who posts authoritatively on military or combat topics, but who has never served in uniform or heard a shot fired in anger. A poseur.
- knock on the head — to daze or kill (a person) by striking on the head
- laccadive islands — group of islands in the Arabian Sea, off the SW coast of India: part of Lakshadweep territory
- lackadaisicalness — without interest, vigor, or determination; listless; lethargic: a lackadaisical attempt.
- lago de nicaragua — Spanish name of Lake Nicaragua.
- lame-duck session — (formerly) the December to March session of those members of the U.S. Congress who were defeated for reelection the previous November.
- landlocked salmon — a variety of the Atlantic Ocean salmon, Salmo salar, confined to the freshwater lakes of New England and adjacent areas of Canada.
- landscape painter — artist who depicts natural scenery
- landscaped garden — a garden that has been artistically designed
- leading indicator — A leading indicator is an economic indicator that changes before a change in the economy, and that can be used to predict future economic or financial activity.