12-letter words containing a, m, o, n
- anglo-norman — relating to the Norman conquerors of England, their society, or their language
- anguilliform — having the shape or form of an eel
- animal lover — a person who feels fondness for animals
- animalculous — a minute or microscopic animal, nearly or quite invisible to the naked eye, as an infusorian or rotifer.
- animated oat — an oat, Avena sterilis, of the Mediterranean region, having spikelets that twist or move when exposed to sudden moisture, due to the hygroscopic action of the awns.
- animatronics — a branch of film and theatre technology that combines traditional puppetry techniques with electronics to create lifelike animated effects
- anisomorphic — differing in the semantic scope of terms referring to the real world: for instance, English and Russian are anisomorphic with regard to colour terms, English treating light blue and navy blue as shades of one colour but Russian treating these two shades as unrelated
- anisothermal — (thermodynamics) Of or pertaining to a system that is not in thermal equilibrium, that does not have a single fixed temperature.
- anisotropism — the state of being anisotropic
- announcement — An announcement is a statement made to the public or to the media which gives information about something that has happened or that will happen.
- anthroponomy — the science dealing with the laws regulating the development of the human organism in relation to other organisms and to environment.
- anthroponymy — the study of personal names.
- anthropotomy — the structure of the human body
- anti-smoking — opposed to or promoting the discontinuance of the smoking of tobacco: an antismoking campaign launched by a health agency.
- anti-tumoral — a swollen part; swelling; protuberance.
- 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
- apicomplexan — Describing protists of the phylum Apicomplexa.
- aplanogamete — a nonmotile gamete or conjugating cell found in lower algae
- appendectomy — the surgical removal of the vermiform appendix
- appointments — Plural form of appointment.
- approachment — (archaic) approach.
- aqua ammonia — a water solution of ammonia; ammonia water; ammonium hydroxide
- araneomorphs — Plural form of araneomorph.
- archiphoneme — an abstract linguistic unit representing two or more phonemes when the distinction between these has been neutralized: conventionally shown by a capital letter within slashes, as /T/ for /t/ and /d/ in German Rat and Rad
- area bombing — aerial bombing in which bombs are dropped over the general area of a target.
- arithmomania — an obsessive desire to count objects, or a fixation with numbers and calculations
- arms control — an agreement between two or more countries to reduce the number of weapons owned, with the aim of preventing war
- assimilation — an assimilating or being assimilated
- assimulation — Obsolete form of assimilation.
- assumed bond — a bond issued by one corporation and assumed as an obligation by another.
- astonishment — Astonishment is a feeling of great surprise.
- astrodynamic — Pertaining to astrodynamics.
- astronomical — If you describe an amount, especially the cost of something as astronomical, you are emphasizing that it is very large indeed.