15-letter words containing o, t, e
- active hydrogen — hydrogen in the form of single atoms, rather than molecules, which makes it extremely reactive.
- activity method — a type of teaching in which students acquire knowledge and understanding by participating in a set of specially designed activities, rather than by passively listening to a teacher
- adaptive optics — a technique used to increase the resolution of a ground-based astronomical telescope by counteracting the effects of the atmosphere on the image. A deforming mirror in the light path of the telescope maintains a pointlike image of the celestial body using either a real star or a laser beam as a reference
- adenoidectomies — Plural form of adenoidectomy.
- adhesive factor — the ratio of the force that can be exerted on driving wheels with full traction to the weight on the driving wheels, usually expressed as a percentage.
- adjective group — An adjective group or adjectival group is a group of words based on an adjective, such as 'very nice' or 'interested in football'. An adjective group can also consist simply of an adjective.
- adjectivization — Grammar. to make into an adjective, as by adding a suffix: The noun mirth can be adjectivized by adding -ful or -less to form the adjectives mirthful and mirthless.
- adlai stevenson — Adlai Ewing [ad-ley yoo-ing] /ˈæd leɪ ˈyu ɪŋ/ (Show IPA), 1835–1914, vice president of the U.S. 1893–97.
- admiralty house — the official residence of the Governor General of Australia, in Sydney
- adoption agency — an agency that matches children needing adoption with people willing to adopt
- adoption papers — documentation relating to the adoption of a particular child
- adrenalectomies — Plural form of adrenalectomy.
- adrenoreceptors — Plural form of adrenoreceptor.
- adult education — Adult education is education for adults in a variety of subjects, most of which are practical, not academic. Classes are often held in the evenings.
- advantage court — the receiver's left-hand service court, into which the ball is served when one side has the advantage.
- adventuresomely — In an adventuresome manner.
- adventurousness — the quality of being adventurous
- advocate depute — a Scottish law officer with the functions of public prosecutor
- aegyptopithecus — a genus of extinct anthropoid ape of the Oligocene Period known from remains found in Egypt.
- aerodynamicists — Plural form of aerodynamicist.
- aeroplane cloth — a strong fabric made from cotton, linen, and nylon yarns, used for some light aircraft fuselages and wings
- aerotitis media — temporary deafness and pain arising from traumatic inflammation of the middle ear, caused by a rapid change in barometric pressure, as a rise in ambient cabin pressure in an aircraft descending from high altitude for landing.
- affine geometry — the branch of geometry dealing with affine transformations.
- after a fashion — If you say that something was done after a fashion, you mean that it was done, but not very well.
- afternoon watch — the watch from noon until 4 p.m.
- age-appropriate — Something that is age-appropriate is suitable for the age that a person is.
- aggregate score — a score calculated by adding the results of several matches
- agree to differ — to end an argument amicably while maintaining differences of opinion
- air conditioned — If a room or vehicle is air conditioned, the air in it is kept cool and dry by means of a special machine.
- air conditioner — An air conditioner is a machine which keeps the air in a building cool and dry.
- air-superiority — designating a fighter aircraft built for long patrol capability at high altitudes and supersonic speeds, with air-to-air combat as its principal mission.
- airborne attack — an attack involving airborne troops
- airmail edition — an edition of a newspaper that is printed on very thin paper so it is easier and cheaper to distribute
- albert memorial — monument to Prince Albert of England in Kensington Gardens, London: 175 ft (53 m) high
- alcohol content — the amount of alcohol that is present in an alcoholic drink
- alder buckthorn — a Eurasian rhamnaceous shrub, Frangula alnus, with small greenish flowers and black berry-like fruits
- algaroth powder — antimony oxychloride.
- algebra of sets — a nonempty collection of sets having the property that the union of two sets of the collection is a set of the collection and the complement of each set of the collection is a set in the collection.
- all-you-can-eat — An all-you-can-eat buffet or restaurant is a buffet or restaurant at which you pay a fixed price, no matter how much or how little you eat.
- alligator shear — heavy shears for cutting metal slabs.
- allorecognition — The ability of an individual organism to distinguish its own tissues from those of another.
- allotetraploidy — the condition of being an allotetraploid
- almirante brown — a city in E Argentina, near Buenos Aires.
- alopecia areata — loss of hair in circumscribed patches.
- alphabetisation — The act or process of arranging in alphabetical order.
- alphabetization — Alternative form of alphabetisation.
- alpine accentor — a small bird of the sparrow family, Prunella collaris, found especially in mountain regions of S Europe and Asia
- altar of repose — a pedestal or niche upon which the sacraments are preserved from Maundy Thursday to Good Friday.
- alte pinakothek — a museum in Munich housing a collection of paintings dating from the Middle Ages to the late 18th century
- aluminosilicate — a silicate in which some of the silicon in the tetrahedral unit SiO4 has been replaced by aluminium