12-letter words containing a, c, o, m
- alphitomancy — the use of barley meal as a means of divination.
- alveolectomy — The surgical reshaping of the alveolar ridge to facilitate dental prosthesis.
- amenorrhoeic — absence of the menses.
- aminobenzoic — as in aminobenzoic acid
- aminobutyric — (organic chemistry) Of or pertaining to any of several isomeric univalent radicals in which a hydrogen atom of a butyric radical is replaced by an amino group.
- amitotically — the direct method of cell division, characterized by simple cleavage of the nucleus without the formation of chromosomes.
- amnioscopies — Plural form of amnioscopy.
- amniotic sac — membrane around embryo or foetus
- amperometric — relating to or involving the measurement of an electric current
- amphibolitic — Of, pertaining to, or composed of an amphibolite.
- amphicarpous — producing two kinds of fruit that differ either in form or in time of ripening.
- amphicoelous — (of the vertebrae of most fishes and some amphibians) concave at the anterior and posterior ends
- amphictyonic — of or relating to an amphictyon or an amphictyony.
- amphotericin — an amphoteric antibiotic produced by the bacterium Streptomyces nodosus and used in the treatment of fungal infections.
- ampullaceous — shaped like an ampulla or a bladder
- amuse-bouche — an appetizer before a meal
- amyl alcohol — a colourless flammable liquid existing in eight isomeric forms that is used as a solvent and in the manufacture of organic compounds and pharmaceuticals. Formula: C5H11OH
- anachronisms — Plural form of anachronism.
- anatomically — of or relating to anatomy.
- androclinium — clinandrium.
- anecdotalism — an inclination to relate anecdotes
- anemochorous — (of a fruit, seed, or spore) adapted for dispersion by wind.
- angiosarcoma — a rare, malignant tumour which grows rapidly in the blood vessels
- animalculous — a minute or microscopic animal, nearly or quite invisible to the naked eye, as an infusorian or rotifer.
- 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
- 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.
- anticonsumer — opposed to consumerism
- antidogmatic — opposed to dogma
- antieconomic — against economic growth or wellbeing
- antimicrobic — Antimicrobial.
- antimnemonic — difficult to remember (often deliberately so)
- antimonarchy — Opposing a monarchy.
- antiromantic — opposed to romanticism
- apicomplexan — Describing protists of the phylum Apicomplexa.
- 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
- approachment — (archaic) approach.
- archaeometry — the use of science and modern technology in archaeology to examine and interpret archaeological remains
- archaic homo — collectively, the very robust, regionally differentiated human populations that lived in Europe, Asia, the Middle East, and Africa from 35,000 to 200,000 years ago.
- archesporium — archespore.
- 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
- armed forces — The armed forces or the armed services of a country are its military forces, usually the army, navy, marines, and air force.
- armoured car — a fast lightly armed and armoured vehicle, mainly used for reconnaissance
- 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.
- army officer — a person in the army who holds a position of authority, responsibility and duty, especially one who holds a commission
- aromatically — having an aroma; fragrant or sweet-scented; odoriferous.
- ascomycetous — belonging or pertaining to the Ascomycota.