12-letter words containing a, n
- alternatives — a choice limited to one of two or more possibilities, as of things, propositions, or courses of action, the selection of which precludes any other possibility: You have the alternative of riding or walking.
- altiloquence — Pompous language; lofty speech.
- altitudinous — pertaining to altitude or height
- alton towers — a 19th-century Gothic Revival mansion with extensive gardens in NW central England, in Staffordshire: site of a large amusement park
- amalgamating — Present participle of amalgamate.
- amalgamation — the action or process of amalgamating
- amazon river — a river in N South America, flowing E from the Peruvian Andes through N Brazil to the Atlantic Ocean: the largest river in the world in volume of water carried. 3900 miles (6280 km) long.
- ambartsumian — Viktor A(mazaspovich). 1908–96, Armenian astrophysicist, renowned for his description of radio sources as explosions in the core of galaxies
- amber nectar — beer
- ambiposition — (linguistics) An adposition that can occur either before or after its complement.
- ambisinister — clumsy or unskillful with both hands.
- ambitendency — ambivalence, especially when acted out; a tendency to contradictory behavior arising from conflicting impulses.
- ambitionless — without ambition, unambitious
- ambivalently — in an ambivalent manner
- amboina wood — the hard, heavy wood of a tree, Pterocarpus indicus, of southern Asia, having a curly or mottled grain.
- amboyna wood — the mottled, curled wood of an Asiatic, leguminous tree (Pterocarpus indicus), used in making furniture
- ambulanceman — An ambulanceman is a man who drives an ambulance or takes care of people in an ambulance on the way to hospital.
- ameliorating — Present participle of ameliorate.
- amelioration — the act or an instance of ameliorating or the state of being ameliorated
- amelogenesis — the production of enamel by ameloblasts
- amenableness — The state or quality of being amenable.
- amenhotep iv — died 1357? b.c, king of Egypt 1375?–1357?: reformer of ancient Egyptian religion (son of Amenhotep III).
- amenorrhoeic — absence of the menses.
- amentiferous — bearing aments
- american elk — elk (def 2).
- american elm — an elm, Ulmus americana, of North America, cultivated for shade and ornament: state tree of Massachusetts, Nebraska, and North Dakota.
- american ivy — a vitaceous woody vine, Parthenocissus quinquefolia, of North America, having tendrils with adhesive tips, bluish-black berry-like fruits, and compound leaves that turn red in autumn: widely planted for ornament
- american rig — a rig for drilling oil and gas wells by using a chisel bit dropped from a considerable height.
- americanisms — a custom, trait, belief, etc., peculiar to the United States of America or its citizens.
- americanized — If someone is Americanized, they do things in a way that is typical of the United States.
- americanness — of or relating to the United States of America or its inhabitants: an American citizen.
- amethopterin — (now rare) Methotrexate.
- amfebutamone — (former name) The drug bupropion.
- amicableness — The state or quality of being amicable.
- aminobenzene — aniline (def 1).
- 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.
- aminomethane — (organic compound, often in combination) methylamine (or a derivative of it).
- aminophenols — Plural form of aminophenol.
- amiphenazole — A respiratory stimulant traditionally used as an antidote for barbiturate or opiate overdose, usually in combination with bemegride.
- ammonium ion — the ion NH4+, formed from ammonia and present in aqueous solutions of ammonia and in many salts
- amnioscopies — Plural form of amnioscopy.
- amniotic sac — membrane around embryo or foetus
- among others — used to indicate that there are several more people like the one or ones mentioned, but that you do not intend to mention them all
- amortisation — Alternative spelling of amortization.
- amortization — the process of amortizing a debt
- amortizement — a sloping top on a buttress, pillar, etc.
- amourousness — Rare spelling of amorousness.
- amphetamines — Plural form of amphetamine.
- amphictyonic — of or relating to an amphictyon or an amphictyony.