18-letter words containing a, c, h, e, m, n
- accounting machine — a machine for performing bookkeeping functions, as arithmetic operations or vertical and horizontal tabulations.
- acorn risc machine — (processor) The original name of the Advanced RISC Machine.
- addressing machine — a printer that prints addresses directly on to letters, labels, and envelopes
- admirable crichton — a comedy (1902) by Sir James M. Barrie.
- aerothermodynamics — the study of the exchange of heat between solids and gases, esp of the heating effect on aircraft flying through the air at very high speeds
- american chameleon — anole: lizards of this type (family Iguanidae) are incorrectly called “chameleons”
- american cockroach — a large, reddish-brown cockroach, Periplaneta americana, found originally in the southern U.S. but now widely distributed.
- analytical machine — Analytical Engine
- arm's-length price — a price of a transaction agreed in accordance with market values, disregarding any connection such as common ownership of the companies involved
- atmospheric engine — an early form of single-acting engine in which the power stroke is provided by atmospheric pressure acting upon a piston in an exhausted cylinder.
- atmospheric window — wavelengths of the electromagnetic spectrum that can be transmitted through the earth's atmosphere. Atmospheric windows occur in the visible, infrared, and radio regions of the spectrum
- bachelor apartment — a flat consisting of one room that is used as a sitting room and bedroom, as well as a kitchenette and a bathroom
- benchmark position — a public service job used for comparison with a similar position, such as a position in commerce, for wage settlements
- breast enhancement — a surgical procedure to increase the size of a woman's breasts
- bromochloromethane — chlorobromomethane.
- capital punishment — Capital punishment is punishment which involves the legal killing of a person who has committed a serious crime such as murder.
- carboxyhaemoglobin — haemoglobin coordinated with carbon monoxide, formed as a result of carbon monoxide poisoning. As carbon monoxide is bound in preference to oxygen, tissues are deprived of oxygen
- carpenterworm moth — any moth of the family Cossidae, as Prionoxystus robiniae of the U.S. and southern Canada, whose larvae bore into the trunks and branches of oaks, locusts, and other trees.
- chambered nautilus — nautilus (def 1).
- changement de pied — a jump in which the dancer's feet are reversed from the starting position.
- chemical machining — the shaping of a metal part by controlled removal of unwanted metal by a flow of chemical solutions
- chemical potential — a thermodynamic function of a substance in a system that is the partial differential of the Gibbs function of the system with respect to the number of moles of the substance
- chemical pregnancy — a pregnancy that is confirmed by a pregnancy test but not by clinical signs and terminates before clinical signs can be observed.
- chew someone's ear — to reprimand severely
- chinese watermelon — a tropical Asian vine, Benincasa hispida, of the gourd family, having a brown, hairy stem, large, solitary, yellow flowers, and white, melonlike fruit.
- chlorobromomethane — a clear, colorless, volatile, nonflammable liquid, CH 2 ClBr, used chiefly as an extinguishing agent in fire extinguishers and as a solvent in organic synthesis.
- christian democrat — a member or supporter of a Christian Democratic party
- christian reformed — of or relating to a Protestant denomination (Christian Reformed Church) organized in the U.S. in 1857 by groups that had seceded from the Dutch Reformed Church.
- chromatic semitone — the pitch difference between one note and its sharpened or flattened equivalent
- climbing hydrangea — a woody vine, Hydrangea anomala, of eastern Asia, having shiny, egg-shaped leaves and flat-topped white flower clusters, and climbing by aerial rootlets.
- clobbering machine — pressure to conform with accepted standards
- combustion chamber — an enclosed space in which combustion takes place, such as the space above the piston in the cylinder head of an internal-combustion engine or the chambers in a gas turbine or rocket engine in which fuel and oxidant burn
- come the raw prawn — to attempt deception
- commander in chief — Also, Commander in Chief. the supreme commander of the armed forces of a nation or, sometimes, of several allied nations: The president is the Commander in Chief of the U.S. Army, Navy, and Air Force.
- commander-in-chief — A commander-in-chief is a senior officer who is in charge of all the forces in a particular area.
- commodity exchange — an exchange where commodities are traded
- commonwealth games — an event held every four years in which sportspeople from the countries of the Commonwealth compete
- comparison shopper — an employee of a retail store hired to visit competing stores in order to gather information regarding styles, quality, prices, etc., of merchandise offered by competitors.
- considered harmful — (programming, humour) A type of phrase based on the title of Edsger W. Dijkstra's famous note in the March 1968 Communications of the ACM, "Goto Statement Considered Harmful", which fired the first salvo in the structured programming wars. Amusingly, the ACM considered the resulting acrimony sufficiently harmful that it will (by policy) no longer print articles taking so assertive a position against a coding practice. In the ensuing decades, a large number of both serious papers and parodies bore titles of the form "X considered Y". The structured-programming wars eventually blew over with the realisation that both sides were wrong, but use of such titles has remained as a persistent minor in-joke.
- cot death syndrome — the unexplained sudden death of an infant during sleep
- crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
- cunninghame graham — R(obert) B(ontine). 1852–1936, Scottish traveller, writer, and politician, noted for his essays and short stories: first president (1928) of the Scottish Nationalist Party
- destruct mechanism — a mechanism that causes the destruction of a rocket or missile when activated
- disenfranchisement — to disfranchise.
- dispatch documents — documents sent with a parcel, etc, detailing information such as contents, delivery address, etc
- double achievement — a representation of the arms of a husband beside those of his wife such that a difference of rank between them is shown.
- economic geography — a branch of geography that deals with the relation of physical and economic conditions to the production and utilization of raw materials and their manufacture into finished products.
- elementary teacher — a teacher in an elementary school
- emmenthal (cheese) — a hard, pale-yellow Swiss cheese with a mild flavor and large holes
- ethical investment — an investment in a company whose activities or products are not considered by the investor to be unethical
On this page, we collect all 18-letter words with A-C-H-E-M-N. It’s easy to find right word with a certain length. It is the easiest way to find 18-letter word that contains in A-C-H-E-M-N to use in Scrabble or Crossword puzzles