12-letter words containing a, c, t, i, o
- aeroacoustic — Relating to aeroacoustics.
- aerodonetics — the study of soaring or gliding flight, esp the study of gliders
- aeroelastics — the study of aeroelastic phenomena.
- aeromagnetic — of magnetism in the atmosphere
- aeronautical — Aeronautical means involving or relating to the design and construction of aeroplanes.
- aethrioscope — an instrument which measures temperature changes caused by different conditions of the sky
- aetiological — of or relating to aetiology
- affectations — Plural form of affectation.
- affectionado — Misspelling of aficionado.
- affectionate — If you are affectionate, you show your love or fondness for another person in the way that you behave towards them.
- afro-asiatic — a family of languages of SW Asia and N Africa, consisting of the Semitic, ancient Egyptian, Berber, Cushitic, and Chadic subfamilies
- afrocentrism — centered on Africa or on African-derived cultures, as those of Brazil, Cuba, and Haiti: Afrocentric art.
- agamogenetic — Of or pertaining to agamogenesis.
- agnostically — a person who holds that the existence of the ultimate cause, as God, and the essential nature of things are unknown and unknowable, or that human knowledge is limited to experience. Synonyms: disbeliever, nonbeliever, unbeliever; doubter, skeptic, secularist, empiricist; heathen, heretic, infidel, pagan.
- agriproducts — Plural form of agriproduct.
- airport code — a three-letter abbreviation of the names of the world's major airports, used especially as an identifier for routing baggage.
- alcaptonuria — Alternative spelling of alkaptonuria.
- alcoholicity — the strength of an alcoholic liquor
- allegoristic — writing or using allegory; interpreting in an allegorical sense.
- allelopathic — relating to or characterized by allelopathy
- allotropical — (chemistry, rare) Of or pertaining to an element that exhibits allotropy.
- alphitomancy — the use of barley meal as a means of divination.
- altercations — Plural form of altercation.
- altiloquence — Pompous language; lofty speech.
- 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.
- 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.
- 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.
- anachronists — Plural form of anachronist.
- anaerobiotic — anaerobic
- anapodeictic — (rare, rhetoric) not able to be shown or proved by argument; undemonstrable.
- anatomically — of or relating to anatomy.
- anchor light — a 32-point light, visible from at least two miles away, shown at night near the bow and not more than 20 feet (6 meters) above the deck of a vessel lying at anchor.
- anchoritical — in the manner of or resembling an anchorite
- and counting — If you say and counting after a number or an amount of something, you mean that the number or amount is continuing to increase.
- androcentric — having or regarding man or the male sex as central or primary
- androgenetic — related to androgenesis
- anecdotalism — an inclination to relate anecdotes
- anglo-celtic — of or relating to an inhabitant of Australia who was or whose ancestors were born in the British Isles
- animatronics — a branch of film and theatre technology that combines traditional puppetry techniques with electronics to create lifelike animated effects
- anisocytosis — (medicine) Significant size variation of blood cells.
- annunciation — In Christianity, the Annunciation was the announcement by the Archangel Gabriel to the Virgin Mary that she was going to give birth to the son of God.
- annunciators — Plural form of annunciator.
- annunciatory — to announce.
- anorthositic — resembling or consisting of anorthosite
- antagonistic — If a person is antagonistic to someone or something, they show hatred or dislike towards them.
- anthocyanine — Alternative form of anthocyanin.