16-letter words containing s, i, r
- apple of discord — a golden apple inscribed "For the fairest". It was claimed by Hera, Athena, and Aphrodite, to whom Paris awarded it, thus beginning a chain of events that led to the Trojan War
- applied research — research that is put to practical use
- appraisal method — a method used for the appraisal of an employee
- appreciativeness — The state or quality of being appreciative.
- apprehensiveness — uneasy or fearful about something that might happen: apprehensive for the safety of the mountain climbers.
- april fool's day — April Fool's Day is the 1st of April, the day on which people traditionally play tricks on each other.
- april fools' day — April 1, a day when practical jokes or tricks are played on unsuspecting people.
- aratus of sicyon — 271–213 b.c, Greek general: leader of the Achaean League.
- archaeomagnetism — an archaeological technique for dating certain clay objects by measuring the extent to which they have been magnetized by the earth's magnetic field
- archconservative — consistently holding extremely conservative views: publisher of the city's archconservative newspaper.
- archival storage — a method of retaining information outside of the internal memory of a computer
- aristocratically — In an aristocratic manner.
- armillary sphere — a model of the celestial sphere consisting of rings representing the relative positions of the celestial equator, ecliptic, etc, used by early astronomers for determining the positions of stars
- ars gratia artis — art for art's sake
- arsenic trioxide — a white poisonous powder used in the manufacture of glass and as an insecticide, rat poison, and weedkiller. Formula: As2O3
- arteriosclerosis — Arteriosclerosis is a medical condition in which the walls of your arteries become hard and thick, so your blood cannot flow through them properly.
- arteriosclerotic — degenerative changes in the arteries, characterized by thickening of the vessel walls and accumulation of calcium with consequent loss of elasticity and lessened blood flow.
- arthroscopically — By means of arthroscopy.
- arthus' reaction — a severe, local immune reaction to the injection of an antigen in a sensitized host.
- artistic license — (legal) The open source license applicable to Perl.
- as distinct from — If you say that you are talking about one thing as distinct from another, you are indicating exactly which thing you mean.
- as far as i know — You can use far in expressions like 'as far as I know' and 'so far as I remember' to indicate that you are not absolutely sure of the statement you are about to make or have just made, and you may be wrong.
- as large as life — real and living
- as right as rain — If you say that someone is as right as rain, you mean that they are completely well or healthy again, for example when they have recovered from an illness or a shock.
- ascending rhythm — rising rhythm.
- ashurnasirpal ii — ("the Merciless") died 859? b.c, warrior king of Assyria 884?–859 b.c.
- asparaginic acid — aspartic acid.
- assembly routine — assembler (def 2a).
- assigned numbers — (standard) The RFC STD 2 documenting the currently assigned values from several series of numbers used in network protocol implementations. This RFC is updated periodically and, in any case, current information can be obtained from the Internet Assigned Numbers Authority (IANA). If you are developing a protocol or application that will require the use of a link, socket, port, protocol, etc., you should contact the IANA to receive a number assignment.
- assistant editor — a person who assists an editor in their work
- assistant priest — a person who assists a priest in their work or who is not yet fully qualified as a priest
- associate degree — An associate degree is a college degree that is awarded to a student who has completed a two-year course of study.
- associate member — a person who is a member of a club, organization etc. but has only partial rights and privileges or subordinate status
- association area — any of the regions of the cerebral cortex of the brain connected by numerous nerve fibers to all parts of both cerebral hemispheres and coordinating such higher activities as learning and reasoning.
- assurnasirpal ii — Ashurnasirpal II.
- astroengineering — (scifi) The construction of megastructures in space by technologically advanced beings.
- at one's leisure — when one has free time
- at-risk register — an official list of people or things considered to be exposed to possible threat, such as children in potentially abusive households or historic buildings in need of maintenance
- athanasian creed — a profession of faith widely used in the Western Church which, although formerly attributed to Athanasius, probably originated in Gaul between 381 and 428 ad
- atmospheric tide — a movement of atmospheric masses caused by the gravitational attraction of the sun and moon and by daily solar heating.
- atomic structure — the concept of an atom as a central positively charged nucleus consisting of protons and neutrons surrounded by a number of electrons. The number of electrons is equal to the number of protons: the whole entity is thus electrically neutral
- audience figures — the number of people regularly watching a television programme or listening to a radio programme
- auditory aphasia — aphasia in which there is no comprehension of spoken words; word deafness.
- auditory vesicle — the pouch that is formed by the invagination of an ectodermal placode and that develops into the internal ear.
- aurora australis — the aurora seen around the South Pole
- australian crawl — a stroke in which the feet are kicked like paddles while the arms reach forward and pull back through the water
- australian rules — a game resembling rugby football, played in Australia between teams of 18 men each on an oval pitch, with a ball resembling a large rugby ball. Players attempt to kick the ball between posts (without crossbars) at either end of the pitch, scoring six points for a goal (between the two main posts) and one point for a behind (between either of two outer posts and the main posts). They may punch or kick the ball and run with it provided that they bounce it every ten yards
- australopithecus — an extinct genus of small-brained,large-toothed bipedal hominids that lived in Africa between one and four million years ago.
- austro-hungarian — of or relating to the Dual Monarchy of Austria-Hungary (1867–1918)
- authoritarianism — Authoritarianism is the state of being authoritarian or the belief that people with power, especially the State, have the right to control other people's actions.