13-letter words containing t, s
- after-effects — harmful consequences, effects
- afterthoughts — Plural form of afterthought.
- agglutinogens — Plural form of agglutinogen.
- aggregateness — the state of being aggregate
- agonistically — in an agonistic manner
- 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.
- agroecologist — One who studies agroecology.
- agrostography — a treatise on grasses.
- 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.
- airworthiness — (of an aircraft) meeting established standards for safe flight; equipped and maintained in condition to fly.
- aius locutius — a disembodied voice that warned the Romans of a coming invasion by the Gauls.
- albertosaurus — A giant fierce carnivorous tyrannosaurus-like dinosaur, of gemus Albertosaurus, discovered in Alberta, Canada.
- alchemistical — relating to alchemists
- aldosteronism — high blood pressure caused by excess aldosterone in the blood and urine
- alfred austin — Alfred, 1835–1913, English poet: poet laureate 1896–1913.
- alligatorfish — a slender marine fish, Aspidophoroides monopterygius, of Atlantic seas, having overlapping plates covering the body.
- alliterations — Plural form of alliteration.
- allochthonous — (of rocks, deposits, etc) found in a place other than where they or their constituents were formed
- alpha testing — (programming) Testing of software at the developer's site by the customer. The stage before beta testing.
- alphabet soup — a confusing series of acronyms or abbreviations
- alstroemerias — Plural form of alstroemeria.
- alterableness — The state or quality of being alterable.
- alternateness — The state or quality of being alternate.
- alternativism — The rejection of a social normality through the pursuit of alternatives.
- althorp house — a mansion in Northamptonshire: seat of the Earls Spencer since 1508; originally a medieval house; altered (1787) to its present neoclassical style by Henry Holland. Diana, Princess of Wales is buried on Round Oval Island in the centre of the ornamental lake in Althorp Park
- alumosilicate — (inorganic chemistry) The anion [AlSiO4]-1.
- amalgamations — Plural form of amalgamation.
- amarantaceous — amaranthine
- ambidexterous — ambidextrous
- ambient music — a style of popular music which aims to create a relaxing atmosphere
- ambient noise — the level of the total noise in an area
- ambimoustrous — able to use a computer mouse proficiently with either hand
- ambisexuality — the state of being ambisexual
- ambitiousness — having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.: ambitious students.
- ambrette seed — the seed of the abelmosk.
- amesha spenta — any of the personified attributes of Ahura Mazda.
- ammonium salt — any salt containing the NH 4 + ion, formed by the neutralization of ammonium hydroxide by an acid.
- amniocenteses — Plural form of amniocentesis.
- amniocentesis — If a pregnant woman has an amniocentesis, fluid is removed from her womb in order to check that her unborn baby is not affected by certain genetic disorders.
- 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).
- amphiblastula — the free-swimming larva of certain sponges, which consists of a hollow spherical mass of cells some of which have flagella
- amphictyonies — Plural form of amphictyony.
- 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
- amphistomatal — (of a leaf) having stomata on both surfaces
- amphithalamus — (in an ancient Greek house) a room adjoining the thalamus.