12-letter words containing n, i, s
- alternations — Plural form of alternation.
- 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.
- altitudinous — pertaining to altitude or height
- ambartsumian — Viktor A(mazaspovich). 1908–96, Armenian astrophysicist, renowned for his description of radio sources as explosions in the core of galaxies
- ambiposition — (linguistics) An adposition that can occur either before or after its complement.
- ambisinister — clumsy or unskillful with both hands.
- ambitionless — without ambition, unambitious
- 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.
- amnioscopies — Plural form of amnioscopy.
- amniotic sac — membrane around embryo or foetus
- amortisation — Alternative spelling of amortization.
- amphetamines — Plural form of amphetamine.
- an iron fist — a cruel and unyielding attitude or approach
- anabaptistic — relating to Anabaptists
- anacatharsis — severe vomiting
- anachronisms — Plural form of anachronism.
- anachronists — Plural form of anachronist.
- anaerobiosis — life in the absence of oxygen
- anaesthetics — the science, study, and practice of anaesthesia and its application
- anaesthetise — anesthetize.
- anaesthetist — An anaesthetist is a doctor who specializes in giving anaesthetics to patients.
- anaesthetize — When a doctor or other trained person anaesthetizes a patient, they make the patient unconscious or unable to feel pain by giving them an anaesthetic.
- analyzations — Plural form of analyzation.
- 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
- anapaestical — belonging to the form of poetry which uses a reversed dactyl consisting of two short syllables followed by a long one
- anaphrodisia — diminished sexual desire.
- anaplasmosis — a disease of cattle caused by a blood-infecting protozoan parasite, Anaplasma marginale, transmitted by bloodsucking flies and ticks.
- anapophysial — of or relating to an anapophysis.
- anastasius i — a.d. c430–518, emperor of the Eastern Roman Empire 491–518.
- 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.
- androgenesis — a type of reproduction in insects and plants involving the development of an embryo that contains only paternal chromosomes
- androscoggin — a river flowing from NE New Hampshire through SW Maine into the Kennebec River. 171 miles (275 km) long.
- anecdotalism — an inclination to relate anecdotes
- anelasticity — the property of a substance which has a disproportionate relationship between stress and strain
- 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.
- anesthetists — Plural form of anesthetist.
- anesthetized — to render physically insensible, as by an anesthetic.
- anesthetizes — Third-person singular simple present indicative form of anesthetize.
- aneurysmatic — (medicine) Describing a blood vessel that has an aneurysm; aneurysmal.
- angel's hair — Also called capelli d’angelo. Italian Cookery. a type of very thin pasta.