15-letter words containing a, c, n, t
- anticonvulsants — Plural form of anticonvulsant.
- antieducational — opposing the provision of knowledge
- antiforeclosure — opposed to the process of foreclosure
- antihemorrhagic — That stops or reduces hemorrhage.
- antilock brakes — brakes fitted to some road vehicles that prevent skidding and improve control by sensing and compensating for overbraking
- antimonarchical — opposed to the monarchy
- antimony glance — stibnite
- antiperistaltic — reversed peristaltic action of the intestines, by which their contents are carried upward.
- antiromanticism — the opposition to romanticism
- antispeculation — opposed to or acting against excessive oil speculation
- antispeculative — opposed to or acting against speculation
- antitheoretical — opposed to or contradicting a theory
- antituberculous — (medicine) Acting to combat or counteract tuberculosis.
- antivivisection — opposed to the act or practice or performing experiments on living animals, involving cutting into or dissecting the body
- aortic stenosis — abnormal narrowing of the aorta, especially of its orifice, usually as a result of rheumatic fever or embryologic anomalies.
- apartment block — building: flats, apartments
- aplastic anemia — a form of anemia resulting from a failure of the bone marrow to produce adequate quantities of the essential blood components, including leukocytes and platelets
- apostolicalness — The state or quality of being apostolical.
- appalachian tea — any of various plants, as withe rod, whose leaves were used locally for tea in pioneer times
- apple macintosh — Macintosh
- apprentice work — work done when young and a novice
- apprenticeships — Plural form of apprenticeship.
- archaeastronomy — (astronomy, archaeology) The historical, especially archeological, study of astronomy; the study of the astronomical systems and methods of ancient cultures often embracing the astrology and cosmology of the past.
- archaeobotanist — A person engaged in archaeobotany.
- archeoastronomy — the branch of archaeology that deals with the apparent use by prehistoric civilizations of astronomical techniques to establish the seasons or the cycle of the year, especially as evidenced in the construction of megaliths and other ritual structures.
- architectonical — Alternative form of architectonic.
- arithmetic mean — an average value of a set of integers, terms, or quantities, expressed as their sum divided by their number
- arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
- artificial gene — a duplicate gene synthesized in the laboratory by combining nucleotides in a sequence characteristic of the copied gene.
- artificialness' — made by human skill; produced by humans (opposed to natural): artificial flowers.
- arts and crafts — decorative handicraft and design, esp that of the Arts and Crafts movement, in late nineteenth-century Britain, which sought to revive medieval craftsmanship
- as best one can — If someone does something as best they can, they do it as well as they can, although it is very difficult.
- asbestos cement — a compound of asbestos fiber and Portland cement formerly used for various nonstructural building purposes.
- association law — any law governing the association of ideas
- assured tenancy — an agreement between a government-approved body such as a housing association and a tenant for occupation of a newly-built house or flat at an agreed market rent, under which the tenant has security of tenure
- astrodynamicist — a person who studies astrodynamics
- astronautically — In an astronautic way.
- at first glance — If you say that something is true or seems to be true at first glance, you mean that it seems to be true when you first see it or think about it, but that your first impression may be wrong.
- at sbs instance — If you do something at someone's instance, you do it because they have ordered or requested you to do it.
- at short notice — Notice is used in expressions such as 'at short notice', 'at a moment's notice' or 'at twenty-four hours' notice', to indicate that something can or must be done within a short period of time.
- at the controls — If someone is at the controls of a machine or other piece of equipment, they are operating it.
- atlantic puffin — any of several alcidine sea birds of the genera Fratercula and Lunda, having a short neck and a large, compressed, grooved bill, as F. arctica (Atlantic puffin) of the North Atlantic.
- atlantic ridley — ridley (def 1).
- atlantic salmon — a valuable food and game fish, Salmo salar, mainly of northern coastal Atlantic waters or, when spawning, in freshwater streams tributary to the ocean.
- atlantic-ridley — ridley (def 1).
- audience rating — a figure based on statistical sampling indicating what proportion of the total listening and viewing audience tune in to a specific programme or network
- audubon society — a North American organization devoted to the conservancy of birds
- authenticatable — to establish as genuine.
- authentications — Plural form of authentication.
- autocannibalism — The eating of part of one's own body.