12-letter words containing m, i, a, s
- altaltissimo — the apex of something
- amateurishly — In an amateurish or nonprofessional manner.
- ambartsumian — Viktor A(mazaspovich). 1908–96, Armenian astrophysicist, renowned for his description of radio sources as explosions in the core of galaxies
- ambidextrous — Someone who is ambidextrous can use both their right hand and their left hand equally skilfully.
- ambiposition — (linguistics) An adposition that can occur either before or after its complement.
- ambisextrous — Informal. sexually attracted to both sexes; bisexual. used by or suitable for either sex; unisex: ambisextrous hair styles.
- ambisinister — clumsy or unskillful with both hands.
- ambisyllabic — (of a single speech sound or cluster) shared phonetically by two contiguous syllables, as the single n -sound of any or the pl -cluster of grappling.
- ambitionless — without ambition, unambitious
- ambulatories — Plural form of ambulatory.
- amelogenesis — the production of enamel by ameloblasts
- amentiferous — bearing aments
- americanisms — a custom, trait, belief, etc., peculiar to the United States of America or its citizens.
- americanness — of or relating to the United States of America or its inhabitants: an American citizen.
- amicableness — The state or quality of being amicable.
- aminophenols — Plural form of aminophenol.
- amissibility — the quality of being amissible
- amnioscopies — Plural form of amnioscopy.
- amniotic sac — membrane around embryo or foetus
- amortisation — Alternative spelling of amortization.
- amphetamines — Plural form of amphetamine.
- amphibiously — In the manner of an amphibian.
- amphiblastic — (of animal ova) showing complete but unequal cleavage after fertilization
- amphicarpous — producing two kinds of fruit that differ either in form or in time of ripening.
- amphicoelous — (of the vertebrae of most fishes and some amphibians) concave at the anterior and posterior ends
- amphistomous — (of certain animals, such as leeches) having a sucker at either end of the body
- amphitropous — (of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle
- amyl sulfide — a yellow liquid consisting of a mixture of isomers having the formula (C 5 H 11) 2 S, used chiefly in the preparation of organic sulfur compounds.
- anachronisms — Plural form of anachronism.
- anamorphosis — an image or drawing distorted in such a way that it becomes recognizable only when viewed in a specified manner or through a special device
- anaplasmosis — a disease of cattle caused by a blood-infecting protozoan parasite, Anaplasma marginale, transmitted by bloodsucking flies and ticks.
- anastigmatic — (of a lens or optical device) not astigmatic
- anastomosing — Present participle of anastomose.
- anathematise — Alternative spelling of anathematize.
- anathematism — A formula of words used to cast anathema upon heretics etc.
- anecdotalism — an inclination to relate anecdotes
- anemone fish — any of various damselfishes of the genus Amphiprion, such as A. percula (clown anemone fish), that usually live closely associated with sea anemones
- anemophilous — (of flowering plants such as grasses) pollinated by the wind
- anemotropism — orientation in response to a current of air.
- aneurysmatic — (medicine) Describing a blood vessel that has an aneurysm; aneurysmal.
- angiosarcoma — a rare, malignant tumour which grows rapidly in the blood vessels
- angiostomous — having a narrow opening
- animalculism — the theory explaining psychological and pathological phenomena through animalcules
- animalculist — a person who subscribes to the theory of animalculism
- animalculous — a minute or microscopic animal, nearly or quite invisible to the naked eye, as an infusorian or rotifer.
- animatronics — a branch of film and theatre technology that combines traditional puppetry techniques with electronics to create lifelike animated effects
- anisomorphic — differing in the semantic scope of terms referring to the real world: for instance, English and Russian are anisomorphic with regard to colour terms, English treating light blue and navy blue as shades of one colour but Russian treating these two shades as unrelated
- anisothermal — (thermodynamics) Of or pertaining to a system that is not in thermal equilibrium, that does not have a single fixed temperature.
- anisotropism — the state of being anisotropic
- antasthmatic — relieving the symptoms of asthma