16-letter words containing n, a
- actinopterygians — Plural form of actinopterygian.
- action committee — a group of people who come together to organize and supervise others who are fighting for a particular cause or carrying out a particular task
- action potential — a localized change in electrical potential, from about –70 mV to +30 mV and back again, that occurs across a nerve fibre during transmission of a nerve impulse
- 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
- activation order — an instruction to create, mobilize, or organize a unit
- 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
- ad eundem gradum — to, of, or in the same rank or standing: pertaining to a university recognizing the academic credentials of a student transferring from another university by granting the student comparable status.
- adaptive routing — dynamic routing
- addition polymer — a polymer formed by the direct reaction of two or more monomers, and with no resulting water or other by-product.
- additive inverse — the number that must be added to a number to equal zero
- adenohypophyseal — Alternative form of adenohypophysial.
- adenohypophysial — Relating to the adenohypophysis.
- adhesive bandage — a bandage consisting of a small pad of gauze affixed to a strip of adhesive tape.
- adhesive binding — a style of binding used mainly for paperback books, where the backs of the gathered sections are trimmed and inserted into a cover along with adhesive to hold the pages and cover together
- 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.
- adirondack chair — a sturdy armchair for outdoor use, made of wide wooden slats, with a sloping back and a seat often slanting down toward it.
- adjutant general — a member of the Army Board responsible for personnel and administrative functions
- administrational — the management of any office, business, or organization; direction.
- administratively — pertaining to administration; executive: administrative ability.
- 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
- advantageousness — The state or quality of being advantageous.
- adventitiousness — The degree to which a thing is adventitious.
- 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 opinion — an opinion given by a court on a case that does not settle the case but sets out the court's view of how the law or the constitution would apply to that case
- aeolian deposits — sediments, such as loess, made up of windblown grains of sand or dust
- aestheticisation — Act or process of aestheticising.
- aestheticization — Alternative form of aestheticisation.
- 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 mahogany — any of several African trees of the meliaceous genus Khaya, esp K. ivorensis, that have wood similar to that of true mahogany
- african marigold — a tropical American plant, Tagetes erecta, cultivated for its yellow or orange flower heads and strongly scented foliage: family Asteraceae (composites)
- african wild dog — a mottled dog of Africa, Lycaon pictus
- african-american — African-Americans are black people living in the United States who are descended from families that originally came from Africa.
- african-canadian — a Canadian of African descent
- against all odds — If something happens against all odds, it happens or succeeds although it seemed impossible or very unlikely.
- against the head — from the opposing side's put-in to the scrum
- age of innocence — a novel (1920) by Edith Wharton.
- agency agreement — an agreement between a business and an agent appointed to promote its interests
- aggregate demand — the total demand for goods and services in an economy at a specified price level and in a specified time period
- agricultural ant — harvester ant.
- agustin iturbide — Agustín de [ah-goos-teen de] /ˌɑ gusˈtin dɛ/ (Show IPA), 1783–1824, Mexican soldier and revolutionary: as Agustín I, emperor of Mexico 1822–23.
- ai international — (company) One of distributors of Prolog++, subsumed by Customer Engagement Company before December 1998.
- air conditioning — Air conditioning is a method of providing buildings and vehicles with cool dry air.
- air-raid warning — an alarm that sounds to warn people when an air raid is expected