12-letter words containing a, n, t, i, o
- admonishment — to caution, advise, or counsel against something.
- admonitorily — in an admonitory manner
- adulteration — an adulterating or being adulterated
- adventitious — added or appearing accidentally or unexpectedly
- aeolian tone — the musical tone produced by the passage of a current of air over a stretched string, etc, as in an aeolian harp
- aerification — an act of combining with air.
- aerodonetics — the study of soaring or gliding flight, esp the study of gliders
- aeromagnetic — of magnetism in the atmosphere
- aeronautical — Aeronautical means involving or relating to the design and construction of aeroplanes.
- aesthesiogen — a substance that stimulates or produces sensation
- 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.
- affiliations — Plural form of affiliation.
- affirmations — Plural form of affirmation.
- affrontingly — in an affronting manner
- aforestation — Alternative spelling of afforestation.
- afrocentrism — centered on Africa or on African-derived cultures, as those of Brazil, Cuba, and Haiti: Afrocentric art.
- agamogenetic — Of or pertaining to agamogenesis.
- agathodaimon — a spirit of good fortune, associated with the serpent
- agglutinogen — an antigen that reacts with or stimulates the formation of a specific agglutinin
- aggravations — Plural form of aggravation.
- aggregations — Plural form of aggregation.
- aggrupations — Plural form of aggrupation.
- 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.
- agroindustry — an activity combining agriculture and industry
- aiming point — the point at which a gun or bombsight is aimed in order to strike a desired target, often a point in advance of or behind the actual target.
- alcaptonuria — Alternative spelling of alkaptonuria.
- aldolization — the conversion of an aldehyde to aldol
- alimentation — sustenance; support
- alkalization — Alkalinization.
- alkaptonuria — excessive excretion of homogentisic acid in the urine, caused by a hereditary abnormality of the metabolism of tyrosine and phenylalanine.
- alliteration — Alliteration is the use in speech or writing of several words close together which all begin with the same letter or sound.
- alloantibody — an antibody that reacts with an antigen from a genetically different individual of the same species.
- alphitomancy — the use of barley meal as a means of divination.
- altercations — Plural form of altercation.
- alternations — Plural form of alternation.
- altiloquence — Pompous language; lofty speech.
- altitudinous — pertaining to altitude or height
- amalgamation — the action or process of amalgamating
- ambiposition — (linguistics) An adposition that can occur either before or after its complement.
- ambitionless — without ambition, unambitious
- ameliorating — Present participle of ameliorate.
- amelioration — the act or an instance of ameliorating or the state of being ameliorated
- amenhotep iv — died 1357? b.c, king of Egypt 1375?–1357?: reformer of ancient Egyptian religion (son of Amenhotep III).
- amentiferous — bearing aments
- amethopterin — (now rare) Methotrexate.
- 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.
- aminomethane — (organic compound, often in combination) methylamine (or a derivative of it).
- amniotic sac — membrane around embryo or foetus