18-letter words containing a, c, e, r
- bach flower remedy — an alternative medicine consisting of a distillation from various flowers, designed to counteract negative states of mind and restore emotional balance
- 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
- bachelor's-buttons — any of various plants of the daisy family with button-like flower heads
- bachelorette party — A bachelorette party is a party for a woman who is getting married very soon, to which only women are invited.
- back end generator — (tool) (BEG) A code generator developed by H. Emmelmann et al at GMD, University Karlsruhe, Germany. Its input language is Back End Generator Language (BEGL).
- back to square one — If you are back to square one, you have to start dealing with something from the beginning again because the way you were dealing with it has failed.
- back/down to earth — If you come down to earth or back to earth, you have to face the reality of everyday life after a period of great excitement.
- background reading — reading of related works in order to get contextual information on a topic that you are intending to study or write about
- balanced scorecard — A balanced scorecard is a type of management report which includes both financial and non-financial measures.
- banker's reference — a confidential statement about the financial status of a customer, provided by one bank to another, or to an authorized enquirer
- bankers-acceptance — a draft or bill of exchange that a bank has accepted. Abbreviation: BA. Also called banker's acceptance. Compare acceptance (def 6).
- bargaining counter — A bargaining counter is the same as a bargaining chip.
- basal conglomerate — a conglomerate deposited on an erosion surface and constituting the bottom layer of a stratigraphic series.
- basket-handle arch — an arch having a symmetrical form drawn from an odd number of radii in excess of one, which increase in length from the springing toward the center.
- battle of clontarf — a battle fought in 1014, near Dublin, in the Republic of Ireland, in which the Danes were defeated by the Irish but the Irish king, Brian Boru, was killed
- behavioral science — any of several studies, as sociology, psychology, anthropology, etc., that examine human activities in an attempt to discover recurrent patterns and to formulate rules about social behavior
- benchmark position — a public service job used for comparison with a similar position, such as a position in commerce, for wage settlements
- bend over backward — to try to an unusual degree (to please, pacify, etc.)
- bevel-faced hammer — a riveting hammer having an oblique face.
- bichromate process — any of several methods of photography in which the light-sensitive medium is alkaline bichromate associated with a colloid such as gum, albumen, or gelatin.
- biodiversification — the process by which the diversity of plants or animals develops or is increased within a particular region or group of organisms.
- biological parents — the biological mother and father of a child
- biological therapy — biotherapy
- biological warfare — the use of living organisms or their toxic products to induce death or incapacity in humans and animals and damage to plant crops, etc
- biz-core stability — (security) Internet security products which secure the business core.
- black lives matter — a political and social movement originating among African Americans, emphasizing basic human rights and racial equality for black people and campaigning against various forms of racism. Abbreviations: BLM, B.L.M.
- black-necked grebe — a small grebe, Podiceps nigricollis, found in Europe, Asia, Africa, and America
- black-necked stork — a large Australian stork, Xenorhyncus asiaticus, having a white plumage, dark green back and tail, and red legs
- blackback flounder — any of various popular food flatfishes, as Parophrys vetulus of the Pacific (English sole) and Pseudopleuronectes americanus of the Atlantic (winter flounder or blackback flounder)
- blackwater rafting — the sport of riding through underground caves on a large rubber tube
- blissful ignorance — unawareness or inexperience of something unpleasant
- blue-collar worker — a manual industrial worker
- board of directors — A company's board of directors is the group of people elected by its shareholders to manage the company.
- board of education — a group or agency with responsibility for education
- board of elections — a bipartisan board appointed usually by local authorities and charged with control of elections and voting procedure.
- borosilicate glass — any of a range of heat- and chemical-resistant glasses, such as Pyrex, prepared by fusing together boron(III) oxide, silicon dioxide, and, usually, a metal oxide
- bottom dead center — Bottom dead center is the point at which the piston of an engine is nearest to the axis of the crankshaft. On a vertical engine, this is the lowest point that the piston reaches.
- bottom dead centre — the position of the crank of a reciprocating engine when the piston is at its nearest point to the crankshaft
- brand-name product — A brand-name product is one which is made by a well-known manufacturer and has the manufacturer's label on it.
- breach of contract — the act of breaking the conditions of a contract
- breach of security — an act that violates a country, area, or building's security measures
- bread and circuses — something offered as a means of distracting attention from a problem or grievance
- break your silence — If someone breaks their silence about something, they talk about something that they have not talked about before or for a long time.
- breast enhancement — a surgical procedure to increase the size of a woman's breasts
- breathing exercise — an exercise intended to promote effective and healthy breathing and breath control
- brewer's blackbird — a blackbird, Euphagus cyanocephalus, of the U.S., the male of which has greenish-black plumage with a purplish-black head.
- broadcasting house — any of a number of buildings in the UK from which the BBC broadcasts or has broadcast
- bromochloromethane — chlorobromomethane.
- brute force attack — (cryptography) A method of breaking a cipher (that is, to decrypt a specific encrypted text) by trying every possible key. The quicker the brute force attack, the weaker the cipher. Feasibility of brute force attack depends on the key length of the cipher, and on the amount of computational power available to the attacker. Brute force attack is impossible against the ciphers with variable-size key, such as a one-time pad cipher.
- butterhead lettuce — a major group of lettuce varieties having soft, pliable leaves and small, loose heads, including bibb and Boston lettuce