16-letter words containing a, c, e
- activated carbon — a porous highly adsorptive form of carbon used to remove colour or impurities from liquids and gases, in the separation and extraction of chemical compounds, and in the recovery of solvents
- activated sludge — a mass of aerated precipitated sewage added to untreated sewage to bring about purification by hastening decomposition by microorganisms
- activation order — an instruction to create, mobilize, or organize a unit
- active directory — (operating system) A directory service from Microsoft Corporation, similar in concept to Novell Netware Directory Services, that also integrates with the user organisation's DNS structure and is interoperable with LDAP. Active Directory is included in Windows 2000.
- active transport — a process by which molecules are enabled to pass across a membrane from a region in which they are in a low concentration to one of high concentration; this requires the expenditure of energy in metabolism and is assisted by carrier proteins, commonly referred to as pumps
- add to the check — If you add an item or expense to the check at a restaurant or hotel, you put an extra charge onto a customer's bill to charge for an additional service they have used.
- additive process — a photographic process in which the desired colours are produced by adding together appropriate proportions of three primary colours
- adiadochokinesia — the inability to perform rapidly alternating muscular movements, as flexion and extension.
- adiadochokinesis — the inability to perform rapidly alternating muscular movements, as flexion and extension.
- adjective clause — a relative clause that modifies a noun or pronoun, as the clause that I told you about in This is the book that I told you about and who saw us in It was she who saw us.
- adjective phrase — An adjective phrase or adjectival phrase is a group of words based on an adjective, such as 'very nice' or 'interested in football.' An adjective phrase can also consist simply of an adjective.
- adjustable-pitch — (of a marine or aircraft propeller) having blades whose pitch can be changed while the propeller is stationary, chiefly to suit various conditions of navigation or flight.
- administratrices — Plural form of administratrix.
- admitting office — an office in a hospital where administrative staff carry out the procedures necessary to admit a patient to the hospital
- adventure racing — a contest in which teams compete in an expedition-length race which involves two or more sporting disciplines, often running, mountain biking, climbing, kayaking, and elements of navigation and orienteering
- advice columnist — An advice columnist is a person who writes a column in a newspaper or magazine in which they reply to readers who have written to them for advice on their personal problems.
- advisory teacher — a teacher who visits schools to advise teachers on curriculum developments within a particular subject area
- aerotherapeutics — the treatment of disease by the use of air, esp. by exposing patients to changes in atmospheric pressure
- aesthetic labour — workers employed by a company for their appearance or accent, with the aim of promoting the company's image
- aestheticisation — Act or process of aestheticising.
- aestheticization — Alternative form of aestheticisation.
- affaire de coeur — an affair of the heart; love affair
- affectionateness — The state or quality of being affectionate.
- affluent society — a society in which the material benefits of prosperity are widely available
- african american — a black American of African descent.
- african elephant — a type of elephant that is native to Africa
- african honeybee — killer bee.
- african-american — African-Americans are black people living in the United States who are descended from families that originally came from Africa.
- age of innocence — a novel (1920) by Edith Wharton.
- agency agreement — an agreement between a business and an agent appointed to promote its interests
- agreed procedure — an official set of guidelines of the steps that should be followed in the event of a dispute between two parties, esp in arbitration between employee and employer
- air vice-marshal — a senior Royal Air Force officer of equivalent rank to a rear admiral in the Royal Navy
- aircraft carrier — An aircraft carrier is a warship with a long, flat deck where aircraft can take off and land.
- airplane carrier — an aircraft carrier.
- alder flycatcher — a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher)
- aleutian current — a current in the Pacific Ocean that flows eastward between latitudes 40° and 50° N.
- alexander dubcek — Alexander, 1921–92, Czechoslovakian political leader: first secretary of the Communist Party 1968–69.
- algebraic number — any number that is a root of a polynomial equation having rational coefficients such as √2 but not π
- alimentary canal — The alimentary canal in a person or animal is the passage in their body through which food passes from their mouth to their anus.
- all-encompassing — all-embracing.
- allele frequency — the frequency of occurrence or proportions of different alleles of a particular gene in a given population.
- alligator wrench — a wrench having a V -shaped pair of serrated jaws set at right angles to the shank for turning cylindrical or irregularly shaped parts.
- alloyed junction — a semiconductor junction used in some junction transistors and formed by alloying metal contacts, functioning as emitter and collector regions, to a wafer of semiconductor that acts as the base region
- alpha conversion — (theory) In lambda-calculus and reduction, the renaming of a formal parameter in a lambda abstraction. This does not change the meaning of the abstraction. For example: \ x . x+1 <--> \ y . y+1 If the actual argument to a lambda abstraction contains instances of the abstraction's formal parameter then it is necessary to rename the parameter before applying the abstraction to avoid name capture.
- alpha-adrenergic — of or having to do with an alpha receptor
- alpha-tocopherol — Alpha-tocopherol is a form of vitamin E.
- alphanumerically — In an alphanumeric manner; using alphanumeric characters.
- alternative fact — a theory posited as an alternative to another, often more widely accepted, theory
- alternative rock — a broad category of popular rock music typically regarded as somewhat out of the mainstream and variously including elements of punk rock, heavy metal, folk music, etc.
- altitude chamber — a chamber for simulating the conditions of air pressure and temperature for a given altitude in order to test the behavior of people and equipment in such an environment.