14-letter words containing a, c, m, t, i
- antimonic acid — antimony pentoxide.
- antiradicalism — the opposition to radicalism
- antispasmodics — Plural form of antispasmodic.
- antithrombotic — preventing the formation of blood clots
- apocalypticism — the belief in apocalyptic prophecy
- apophthegmatic — Alternative form of apothegmatic.
- aposematically — in an aposematic manner
- apothegmatical — Relating to, or in the manner of, an apothegm; sententious; pithy.
- appendectomies — Plural form of appendectomy.
- appendicectomy — surgical removal of any appendage, esp the vermiform appendix
- apprenticement — apprenticeship
- archaeometrist — a person who uses archaeometry
- archebacterium — (biology) alternative spelling of archaebacterium.
- archimandrites — Plural form of archimandrite.
- archipterygium — (anatomy) A primitive fin, like that of Ceratodus.
- arctic monkeys — British rock group (formed 2002): comprising Alex Turner (born 1986; vocals, guitar), Jamie Cook (born 1985, guitar), Matt Helders (born 1986, drums, vocals) and Nick O'Malley (born 1985, bass guitar); their albums include Whatever People Say I Am, That's What I'm Not (2006), Favourite Worst Nightmare (2007), and AM (2013)
- arithmetically — the method or process of computation with figures: the most elementary branch of mathematics.
- arms inspector — a person who carries out an arms inspection
- arthroconidium — A kind of asexual fungal spore, typically produced by segmentation of pre-existing fungal hyphae.
- associationism — a theory that all mental activity is based on connections between basic mental events, such as sensations and feelings
- asthenospermic — (medicine) Characterised by or pertaining to asthenospermia, hence infertile.
- astigmatoscope — an instrument for determining the presence and severity of astigmatism.
- astigmatoscopy — examination by means of an astigmatoscope.
- astrochemistry — the study of the chemistry of celestial bodies and space, esp by means of spectroscopy
- astronomically — of, relating to, or connected with astronomy.
- asymmetrically — not identical on both sides of a central line; unsymmetrical; lacking symmetry: Most faces are asymmetric.
- asymptotically — of or relating to an asymptote.
- atomic orbital — Physics, Chemistry. a wave function describing the state of a single electron in an atom (atomic orbital) or in a molecule (molecular orbital) the electron in that state.
- atomic physics — the branch of physics concerned with the structure and behaviour of atomic nuclei
- atomic reactor — reactor (def 4).
- atomic veteran — a veteran of the armed forces who was exposed to radioactivity during the testing or use of nuclear (atomic) weapons in World War II or subsequent wars.
- atomic warfare — war in which nuclear weapons are used
- atomic-powered — powered by atomic energy
- autocollimator — an instrument combining the functions of a telescope and collimator, for detecting and measuring very small deviations in a beam of light.
- automatic door — a self-opening door
- azimuth circle — a device for measuring azimuths, consisting of a graduated ring equipped with a sighting vane on each side, which fits concentrically over a compass.
- back formation — the invention of a new word on the assumption that a familiar word is derived from it. The verbs edit and burgle were so created from editor and burglar
- back-formation — the analogical creation of one word from another word that appears to be a derived or inflected form of the first by dropping the apparent affix or by modification.
- bactrian camel — a two-humped camel, Camelus bactrianus, used as a beast of burden in the cold deserts of central Asia
- baltimore chop — a batted ball that takes a high bounce upon hitting the ground on or immediately in front of home plate, often enabling the batter to reach first base safely.
- bamboo curtain — (esp in the 1950s and 1960s) the political and military barrier to communications around the People's Republic of China
- barometrically — By means of a barometer.
- base community — (especially in South America) a group of people taking part in religious devotions and Bible study, who seek to apply this in their socioeconomic and political situation.
- basidiomycetes — Mycology. any of a group of fungi constituting the phylum Basidiomycota of the kingdom Fungi (or, in older classification schemes, the class Basidiomycetes of the kingdom Plantae), characterized by bearing the spores on a basidium, including the smuts, rust, mushrooms, and puffballs.
- bidialectalism — the state of being bidialectal
- bioclimatology — the study of the effects of climatic conditions on living organisms
- biocontainment — the confinement, as by sealed-off chambers, of materials that are harmful or potentially harmful to life.
- bioinformatics — the branch of information science concerned with large databases of biochemical or pharmaceutical information
- biomathematics — the study of the application of mathematics to biology
- biosystematics — the study of the variation and evolution of a population of organisms in relation to their taxonomic classification