13-letter words containing a, s, o
- acoustooptics — the branch of physics dealing with the relationships between acoustics and light
- acquisitional — relating to the act of acquisition
- acrimoniously — caustic, stinging, or bitter in nature, speech, behavior, etc.: an acrimonious answer; an acrimonious dispute.
- act one's age — anything done, being done, or to be done; deed; performance: a heroic act.
- actinomycetes — Plural form of actinomycete.
- actinomycosis — a fungal disease of cattle and of cats and dogs, sometimes transmitted to humans esp by bites, characterized by a swelling of the affected part, most often the jaw or lungs
- active optics — a system to compensate for any deformation caused by gravity in the surface accuracy and alignment of the mirrors of an astronomical telescope by means of actuators that control the movable mirror supports
- active reason — an activity of intellect, embodying universal truth, potentially present in the mind of every individual, and when present, forming the only immortal part of the individual.
- actualisation — Alternative spelling of actualization.
- adder's-mouth — any of various orchids of the genus Malaxis that occur in all parts of the world except Australia and New Zealand and have small usually greenish flowers
- addressograph — a machine for addressing envelopes, etc
- adenopathies' — enlargement or disease of the glands, especially the lymphatic glands: a patient with prominent adenopathy. See also lymphadenopathy.
- adenosquamous — Having both glandular (adenoid) and squamous characteristics.
- adjudications — Plural form of adjudication.
- admensuration — Admeasurement.
- administrador — (historical) A steward or official in various Spanish- and Portuguese-speaking countries.
- administrator — An administrator is a person whose job involves helping to organize and supervise the way that an organization or institution functions.
- admission day — any of several legal holidays celebrated individually by certain states, commemorating their admission into the Union
- admonishingly — in an admonishing manner
- admonishments — Plural form of admonishment.
- adultolescent — a young adult or middle-aged person who has interests, traits, etc., that are usually associated with teenagers.
- adventuresome — Adventuresome means the same as adventurous.
- adventurously — inclined or willing to engage in adventures; enjoying adventures.
- aeroacoustics — the study of the generation and transmittance of sound by fluid flow
- aerodigestive — of or relating to the organs and tissues of the respiratory tract and the upper part of the digestive tract
- aeroembolisms — Plural form of aeroembolism.
- aeroemphysema — A form of emphysema that results from rapid decompression.
- aeromagnetics — the science of measuring magnetic characteristics associated with atmospheric conditions of the earth.
- aeromechanics — the mechanics of gases, esp air
- aerosinusitis — inflammation of the nasal sinuses caused by the effect on the sinuses of changes in atmospheric pressure.
- aerosol spray — a substance contained as an aerosol in a spray can
- aerostructure — any separately manufactured unit, component, or section of an aircraft or other vehicle capable of flight
- 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.
- afterthoughts — Plural form of afterthought.
- 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.
- 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.
- 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.