13-letter words containing a, s, m
- agrochemicals — Plural form of agrochemical.
- agroterrorism — the use of biological agents as weapons against agricultural and food-supply industries
- albizu campos — Pedro [pe-th raw] /ˈpɛ ðrɔ/ (Show IPA), 1891–1964, Puerto Rican political leader.
- alchemistical — relating to alchemists
- aldosteronism — high blood pressure caused by excess aldosterone in the blood and urine
- all-consuming — taking up all of someone's time and attention
- almond-shaped — oval
- alongshoreman — a person employed to load and unload ships
- alphanumerics — Plural form of alphanumeric.
- alstroemerias — Plural form of alstroemeria.
- alternativism — The rejection of a social normality through the pursuit of alternatives.
- 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 music — a style of popular music which aims to create a relaxing atmosphere
- 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
- 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.
- 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
- amesha spenta — any of the personified attributes of Ahura Mazda.
- amicus curiae — a person not directly engaged in a case who advises the court
- 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.
- amphiblastula — the free-swimming larva of certain sponges, which consists of a hollow spherical mass of cells some of which have flagella
- amphibologies — Plural form of amphibology.
- 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
- amphisbaenian — any of a legless, burrowing suborder (Amphisbaenia) of tropical reptiles (order Squamata) with a head and tail that look very much alike
- amphistomatal — (of a leaf) having stomata on both surfaces
- amphithalamus — (in an ancient Greek house) a room adjoining the thalamus.
- amphitheaters — Plural form of amphitheater.
- amphitheatres — Plural form of amphitheatre.
- amphitrichous — having a single flagellum at each end.
- amphotericins — Plural form of amphotericin.
- amundsen gulf — a gulf in the Beaufort Sea in the Canadian Northwest Territories.
- amusement tax — a tax on various forms of entertainment, paid on admissions to theaters, etc.
- amygdalaceous — similar to or derived from the almond