13-letter words containing o, n, s, a
- affectionless — showing no affection or kindly disposition towards
- afforestation — Afforestation is the process of planting large numbers of trees on land which has few or no trees on it.
- aganglionosis — (medicine) A medical condition involving absence of ganglia.
- age of reason — a period of European history in the 18th cent. noted for belief in the ability of reason to discover truth, shape society, etc.
- agglutinogens — Plural form of agglutinogen.
- agonistically — in an agonistic manner
- agro-industry — the large-scale production, processing, and packaging of food using modern equipment and methods.
- 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
- 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
- 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
- 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.
- amalgamations — Plural form of amalgamation.
- amarantaceous — amaranthine
- 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.
- ambitiousness — having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.: ambitious students.
- 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.
- amorphousness — lacking definite form; having no specific shape; formless: the amorphous clouds.
- amphictyonies — Plural form of amphictyony.
- amphotericins — Plural form of amphotericin.
- 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
- andersen nexo — Nexö, Martin Andersen.
- 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.
- androdioecism — the state of being androdioecious
- androgynously — In an androgynous manner.
- anencephalous — congenital absence of part or all of the brain.
- anesthetic to — incapable of feeling or responding to
- anfractuosity — the condition or quality of being anfractuous
- angioplasties — Plural form of angioplasty.
- angiosarcomas — Plural form of angiosarcoma.
- angiospermous — of or relating to an angiosperm; having enclosed seeds.
- angiotensin i — any of three oligopeptides occurring in plasma, an inactive form (angiotensin I) and two varieties (angiotensin II and angiotensin III) that elevate blood pressure and stimulate the adrenal cortex to secrete aldosterone.