15-letter words containing i, a, n
- assistant judge — a person who assists a judge in their work or who is not yet fully qualified as a judge
- assisted living — Assisted living is a type of housing specially designed for people who need help in their everyday lives, but who do not need specialist nursing care. In assisted living facilities, residents live in independent rooms or apartments, but receive help with day-to-day activities, for example bathing, dressing, preparing meals, and taking their medicines.
- association law — any law governing the association of ideas
- astrodynamicist — a person who studies astrodynamics
- astronautically — In an astronautic way.
- astronavigation — celestial navigation
- 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 pistol point — being under or using the threat of being shot
- at right angles — If two things are at right angles, they are situated so that they form an angle of 90° where they touch each other. You can also say that one thing is at right angles to another.
- at sb's bidding — If you do something at someone's bidding, you do it because they have asked you to do it.
- 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 point of — very close to; on the verge of
- 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).
- atlas mountains — a mountain system of N Africa, between the Mediterranean and the Sahara. Highest peak: Mount Toubkal, 4165 m (13 664 ft)
- atrabiliousness — The state or quality of being characterized by melancholy or glumness.
- audience appeal — the quality of being attractive to an audience
- 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
- audio equipment — electrical devices used to play or record sound
- audio frequency — a frequency in the range 20 hertz to 20 000 hertz. A sound wave of this frequency would be audible to the human ear
- audio recording — an electronic recording of sound
- auditor general — (in Canada) a federal official responsible for auditing government departments and making an annual report
- audubon society — a North American organization devoted to the conservancy of birds
- auf wiedersehen — goodbye, until we see each other again
- augmented sixth — an interval greater than a major sixth by a chromatic half step.
- australian alps — a mountain range in SE Australia, in E Victoria and SE New South Wales. Highest peak: Mount Kosciuszko, 2195 m (7316 ft)
- australian mist — a breed of medium-sized cat with a short spotted or marbled coat
- australian pine — casuarina
- austria-hungary — the Dual Monarchy established in 1867, consisting of what are now Austria, Hungary, the Czech Republic, Slovakia, Slovenia, Croatia, and Bosnia-Herzegovina, and parts of Poland, Romania, Ukraine, and Italy. The empire was broken up after World War I
- authenticatable — to establish as genuine.
- authentications — Plural form of authentication.
- autocannibalism — The eating of part of one's own body.
- autocollimation — the process used in an autocollimator.
- autocorrelation — the condition occurring when successive items in a series are correlated so that their covariance is not zero and they are not independent
- autoinoculation — the inoculation of microorganisms (esp viruses) from one part of the body into another, usually in the form of a vaccine
- autotransfusion — a process in which a patient receives some of his or her own blood in a transfusion rather than a donor's blood
- avian influenza — an acute, usually fatal viral disease of chickens and other domestic and wild birds except pigeons, characterized by sudden onset of symptoms including fever, swollen head and neck, bluish-black comb and wattle, and difficult respiration.
- away-going crop — a crop planted by a tenant that matures after the expiration of the tenancy and is rightfully the tenant's to harvest.
- babinski effect — the reflex curling upwards of the toes (instead of inwards) when the sole of the foot is stroked, normal in infants below the age of two but a pathological condition in adults
- bacchanalianism — the practice of bacchanalian behaviour; drunken revelry
- back plastering — the introduction of partitions of lath and plaster between the inner and outer surfaces of a stud wall in order to improve the insulating properties of the wall.
- back projection — a method of projecting pictures onto a translucent screen so that they are viewed from the opposite side, used esp in films to create the illusion that the actors in the foreground are moving
- back-scratching — a reciprocal exchange of favors, aid, or compliments
- backup rotation — (operating system) Any system for re-using backup media, e.g. magnetic tape. One extreme would be to use the same media for every backup (e.g. copy disk A to disk B), the other extreme would be to use new media every time. The trade-off is between the cost of buying and storing media and the ability to restore any version of any file. One example is the Grandfather, Father, Son (GFS) scheme.
- baconian method — induction (def 4a).
- baconian theory — the theory attributing the authorship of Shakespeare's plays to Francis Bacon.
- badminton court — the court on which games of badminton are played