12-letter words containing c, o, a
- adrenochrome — a chemical pigment produced by the oxidation of adrenaline
- adscititious — added or supplemental; additional
- advance copy — a copy of a book, speech etc released to the media, reviewers, etc before it is published, delivered, etc and before it is necessarily in its final state
- advance poll — (in an election) a poll held prior to election day to permit voters who expect to be absent then to cast their ballots
- aerification — an act of combining with air.
- aeroacoustic — Relating to aeroacoustics.
- aerodonetics — the study of soaring or gliding flight, esp the study of gliders
- aerodynamics — Aerodynamics is the study of the way in which objects move through the air.
- aeroelastics — the study of aeroelastic phenomena.
- aeromagnetic — of magnetism in the atmosphere
- aeromechanic — an aircraft mechanic
- aeromedicine — the medical treatment of disorders associated with air or space travel
- 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.
- afficionados — Plural form of afficionado.
- 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.
- after-school — After-school activities are those that are organized for children in the afternoon or evening after they have finished school.
- agamogenetic — Of or pertaining to agamogenesis.
- agaricaceous — belonging to the Agaricaceae, a family of fungi including mushrooms having blade-shaped gills on the underside of the cap.
- 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.
- agony column — In a British newspaper or magazine, the agony column contains letters from readers about their personal problems, and advice on what to do about them.
- agranulocyte — a white blood cell without granules in its cytoplasm
- agriproducts — Plural form of agriproduct.
- agrochemical — a chemical, such as a pesticide, used for agricultural purposes
- aichmophobia — the fear of pointed objects, esp needles, pins, etc
- ailurophilic — relating to ailurophilia
- ailurophobic — relating to ailurophobia
- air corridor — an air route along which aircraft are allowed to fly
- airpocalypse — (informal) The presence of dense smog in many parts of China.
- airport code — a three-letter abbreviation of the names of the world's major airports, used especially as an identifier for routing baggage.
- alalcomeneus — the first man: he reared Athena and reconciled Zeus and Hera.
- alcaptonuria — Alternative spelling of alkaptonuria.
- alcohol-free — (of beer or wine) containing only a trace of alcohol
- alcoholicity — the strength of an alcoholic liquor
- alcoholizing — Present participle of alcoholize.
- alencon lace — an elaborate lace worked on a hexagonal mesh and used as a border, or a machine-made copy of this
- 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.
- alveolectomy — The surgical reshaping of the alveolar ridge to facilitate dental prosthesis.
- alyce clover — a tropical perennial clover (Alysicarpus vaginalis) sometimes used as a cover crop and for fodder
- amenorrhoeic — absence of the menses.