13-letter words containing a, s, o
- albizu campos — Pedro [pe-th raw] /ˈpɛ ðrɔ/ (Show IPA), 1891–1964, Puerto Rican political leader.
- alcohol abuse — the excessive consumption of alcoholic drinks
- aldosteronism — high blood pressure caused by excess aldosterone in the blood and urine
- aleksandropol — a former name of Gumri.
- aleksandrovsk — a city in SE Ukraine, on the Dnieper River.
- alkaline soil — a soil that gives a pH reaction of 8.5 or above, found esp in dry areas where the soluble salts, esp of sodium, have not been leached away but have accumulated in the B horizon of the soil profile
- all-consuming — taking up all of someone's time and attention
- 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
- allowableness — the quality of being allowable
- almond-shaped — oval
- alongshoreman — a person employed to load and unload ships
- alpha orionis — Betelgeuse
- alpha scorpii — Antares
- alphabet soup — a confusing series of acronyms or abbreviations
- alsike clover — a European clover, Trifolium hybridum, having pink flowers, grown in the U.S. for forage.
- alstroemerias — Plural form of alstroemeria.
- 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
- aluminiferous — containing or yielding aluminium or alumina
- aluminum soap — any of the salts formed by higher carboxylic acids and aluminum, as aluminum oleate, aluminum palmitate, and aluminum stearate.
- alumosilicate — (inorganic chemistry) The anion [AlSiO4]-1.
- alymphoplasia — (medicine) aplasia of the lymphoid tissue.
- amalgamations — Plural form of amalgamation.
- amarantaceous — amaranthine
- ambassadorial — Ambassadorial means belonging or relating to an ambassador.
- ambidexterous — ambidextrous
- ambient noise — the level of the total noise in an area
- ambiguousness — open to or having several possible meanings or interpretations; equivocal: an ambiguous answer.
- ambimoustrous — able to use a computer mouse proficiently with either hand
- ambitiousness — having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.: ambitious students.
- ambroise pare — Ambroise [ahn-brwaz] /ɑ̃ˈbrwaz/ (Show IPA), 1510–90, French surgeon.
- 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).
- amorphousness — lacking definite form; having no specific shape; formless: the amorphous clouds.
- amphibologies — Plural form of amphibology.
- amphictyonies — Plural form of amphictyony.
- 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
- amphitrichous — having a single flagellum at each end.
- amphotericins — Plural form of amphotericin.
- amygdalaceous — similar to or derived from the almond
- anachronistic — You say that something is anachronistic when you think that it is out of date or old-fashioned.
- anachronously — in an anachronous manner
- analogousness — The quality of being analogous.
- anaphrodisiac — tending to lessen sexual desire
- anchorpersons — Plural form of anchorperson.
- and then some — and more than that