12-letter words containing i, s, t
- airtightness — the quality of being airtight
- alberti bass — a reiterated broken-chord figure used as an accompaniment, especially in 18th-century rococo keyboard music.
- algesiometer — an instrument for determining the sensitiveness of the skin to a painful stimulus.
- alias dictus — otherwise called; alias.
- alkalimeters — Plural form of alkalimeter.
- allegoristic — writing or using allegory; interpreting in an allegorical sense.
- almightiness — The state or quality of being almighty.
- alpha boötis — Arcturus
- alphabetised — (British) Arranged in alphabetical order.
- alphabetiser — Non-Oxford British standard spelling of alphabetizer.
- alphabetizes — Third-person singular simple present indicative form of alphabetize.
- alpine-style — of or in an ascent (esp in high mountains like the Himalayas) in which the climbers carry all their equipment with them in a single ascent from base to summit
- alstroemeria — any plant of the tuberous perennial liliaceous genus Alstroemeria, originally S American, grown for their brightly coloured orchid-like flowers
- altaltissimo — the apex of something
- altercations — Plural form of altercation.
- 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
- 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.
- ambitionless — without ambition, unambitious
- ambulatories — Plural form of ambulatory.
- amentiferous — bearing aments
- amissibility — the quality of being amissible
- amniotic sac — membrane around embryo or foetus
- amortisation — Alternative spelling of amortization.
- amphetamines — Plural form of amphetamine.
- amphiblastic — (of animal ova) showing complete but unequal cleavage after fertilization
- 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
- an iron fist — a cruel and unyielding attitude or approach
- anabaptistic — relating to Anabaptists
- anacatharsis — severe vomiting
- anachronists — Plural form of anachronist.
- 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.
- anapaestical — belonging to the form of poetry which uses a reversed dactyl consisting of two short syllables followed by a long one
- 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.
- anecdotalism — an inclination to relate anecdotes