13-letter words containing a, r, i, s
- african daisy — any of several composite plants native to Africa, especially of the genera Arctotis, Gerbera, and Lonas, having showy, daisylike flowers.
- agriculturist — an agricultural expert
- agro-industry — the large-scale production, processing, and packaging of food using modern equipment and methods.
- agrobiologist — One who studies bacteria and other organisms in soil for the purpose of growing crops or feeding animals.
- agrochemicals — Plural form of agrochemical.
- agroecologist — One who studies agroecology.
- agrostologist — a person who specializes in agrostology
- agroterrorism — the use of biological agents as weapons against agricultural and food-supply industries
- ahistorically — In an ahistorical way.
- air discharge — Air discharge is a method for testing ESD-protection structures in which the ESD generator is discharged through an air gap between the generator and the device under test.
- air freshener — An air freshener is a product people can buy which is meant to make rooms smell pleasant.
- airheadedness — The quality of being airheaded.
- airplane spin — a maneuver in which a wrestler, grasping an opponent by the head and crotch, lifts the opponent's body crosswise overhead, lowers it to the shoulders for support, then spins around and throws the opponent back over the head to the mat.
- airworthiness — (of an aircraft) meeting established standards for safe flight; equipped and maintained in condition to fly.
- aldosteronism — high blood pressure caused by excess aldosterone in the blood and urine
- alexis carrel — Alexis [uh-lek-sis;; French a-lek-see] /əˈlɛk sɪs;; French a lɛkˈsi/ (Show IPA), 1873–1944, French surgeon and biologist, in U.S. 1905–39: Nobel Prize 1912.
- alfred austin — Alfred, 1835–1913, English poet: poet laureate 1896–1913.
- alice springs — a town in central Australia, in the Northern Territory, in the Macdonnell Ranges. Pop: 23 640 (2001)
- alkane series — the homologous series of saturated, aliphatic hydrocarbons having the general formula C n H 2n+2 , as methane, CH 4 , or ethane, C 2 H 6 .
- alkene series — the homologous series of unsaturated, aliphatic hydrocarbons containing one double bond and having the general formula C n H 2n , as ethylene, H 2 C=CH 2 .
- alligatorfish — a slender marine fish, Aspidophoroides monopterygius, of Atlantic seas, having overlapping plates covering the body.
- alliterations — Plural form of alliteration.
- alpha orionis — Betelgeuse
- alpha scorpii — Antares
- alphanumerics — Plural form of alphanumeric.
- alsike clover — a European clover, Trifolium hybridum, having pink flowers, grown in the U.S. for forage.
- alstroemerias — Plural form of alstroemeria.
- alternativism — The rejection of a social normality through the pursuit of alternatives.
- aluminiferous — containing or yielding aluminium or alumina
- ambassadorial — Ambassadorial means belonging or relating to an ambassador.
- ambidexterous — ambidextrous
- ambimoustrous — able to use a computer mouse proficiently with either hand
- ambroise pare — Ambroise [ahn-brwaz] /ɑ̃ˈbrwaz/ (Show IPA), 1510–90, French surgeon.
- america's cup — an international yachting trophy, first won by the schooner America in 1851 and held as a challenge trophy by the New York Yacht Club until 1983
- amicus curiae — a person not directly engaged in a case who advises the court
- amor asteroid — one of a small group of asteroids whose orbits approach but do not cross that of the earth: named after the first such asteroid discovered (1932).
- amphigastrium — any of the small leaves or appendages on the under surface of the stem of some liverworts
- amphiprostyle — (esp of a classical temple) having a set of columns at both ends but not at the sides
- amphitheaters — Plural form of amphitheater.
- amphitheatres — Plural form of amphitheatre.
- amphitrichous — having a single flagellum at each end.
- amphotericins — Plural form of amphotericin.
- anachronistic — You say that something is anachronistic when you think that it is out of date or old-fashioned.
- anagrammatise — To produce an anagram of (a piece of text).
- anagrammatism — The creation of anagrams.
- anagrammatist — A creator (finder) of anagrams, one who comes up with anagrams.
- anaphrodisiac — tending to lessen sexual desire
- ancus marcius — a king of Rome, during whose reign the first bridge across the Tiber was constructed.
- andersonville — town in SW central Ga.: site of a Confederate prison in the Civil War
- androcentrism — centered on, emphasizing, or dominated by males or masculine interests: an androcentric society; an androcentric religion.