12-letter words containing m, o, t
- anticonsumer — opposed to consumerism
- antidogmatic — opposed to dogma
- antieconomic — against economic growth or wellbeing
- antilegomena — the books of the New Testament which have been excluded from the canon of Scripture
- antimetabole — the repetition of words in reverse order for emphasis
- antimicrobic — Antimicrobial.
- antiminority — Opposing an ethnic minority, or ethnic minorities in general.
- antimnemonic — difficult to remember (often deliberately so)
- antimonarchy — Opposing a monarchy.
- antimonopoly — opposed to monopoly
- antimony 124 — the radioactive isotope of antimony having a mass number of 124 and a half-life of 60 days, used chiefly as a tracer.
- antimosquito — acting against mosquitoes
- antinepotism — opposed to or acting against nepotism
- antireformer — One who opposes reform.
- antiromantic — opposed to romanticism
- antiroyalism — Opposition to royals or royalism.
- antithrombin — a substance that counteracts the action of thrombin, preventing the formation of blood clots
- antitumoural — acting against or upon tumours
- aplanogamete — a nonmotile gamete or conjugating cell found in lower algae
- apochromatic — (of a lens) almost free from spherical and chromatic aberration
- apothegmatic — Relating to, or in the manner of, an apothegm; sententious; pithy.
- appendectomy — the surgical removal of the vermiform appendix
- apple maggot — a fruit fly, Rhagoletis pomonella, the larvae of which bore into and feed on the fruit of apple trees: family Trypetidae
- appointments — Plural form of appointment.
- approachment — (archaic) approach.
- approximated — near or approaching a certain state, condition, goal, or standard.
- approximates — near or approaching a certain state, condition, goal, or standard.
- approximator — Something that approximates.
- archaeometry — the use of science and modern technology in archaeology to examine and interpret archaeological remains
- arithmomania — an obsessive desire to count objects, or a fixation with numbers and calculations
- armor-plated — An armor-plated vehicle or building has a hard metal covering in order to protect it from gunfire and other missiles.
- armour plate — a tough heavy steel, usually containing chromium, nickel, and molybdenum and often hardened on the surface, used for protecting warships, tanks, etc
- arms control — an agreement between two or more countries to reduce the number of weapons owned, with the aim of preventing war
- army cutworm — the larva of a noctuid moth, Chorizagrotis auxiliaris, that is a pest of wheat and alfalfa in the Plains states.
- aromatherapy — Aromatherapy is a type of treatment which involves massaging the body with special fragrant oils.
- aromatically — having an aroma; fragrant or sweet-scented; odoriferous.
- art mobilier — small, movable art objects, especially primitive or prehistoric works of art.
- arteriograms — Plural form of arteriogram.
- arthrotomies — Plural form of arthrotomy.
- asbestos mat — a heat-proof mat
- ascomycetous — belonging or pertaining to the Ascomycota.
- assimilation — an assimilating or being assimilated
- assimilators — Plural form of assimilator.
- assimilatory — characterized by assimilation; assimilating.
- assimulation — Obsolete form of assimilation.
- astigmometer — an apparatus for measuring the degree of astigmatism.
- astigmoscope — astigmatoscope.
- astonishment — Astonishment is a feeling of great surprise.
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- astrocompass — a navigational instrument for giving directional bearings from the centre of the earth to a particular star. It is carried in long-range aircraft, ships, spacecraft, etc