12-letter words containing s, e, a, i
- air-sea base — a centre from which military aircraft and naval vessels operate
- airpocalypse — (informal) The presence of dense smog in many parts of China.
- airtightness — the quality of being airtight
- alberti bass — a reiterated broken-chord figure used as an accompaniment, especially in 18th-century rococo keyboard music.
- alexandrines — Plural form of alexandrine.
- alexandrinus — the Greek uncial codex, dating from the early 5th century a.d., originally containing the complete text of the Greek Old and New Testaments.
- algesiometer — an instrument for determining the sensitiveness of the skin to a painful stimulus.
- alice's fern — Hartford fern.
- alieni juris — under the control of another, as a lunatic or infant.
- alkalimeters — Plural form of alkalimeter.
- allegoristic — writing or using allegory; interpreting in an allegorical sense.
- allegrissimo — (music) A direction in musical notation indicating that the musical piece should be played very fast and lively.
- alluringness — The state or quality of being alluring.
- allusiveness — having reference to something implied or inferred; containing, abounding in, or characterized by allusions.
- almightiness — The state or quality of being almighty.
- alongside of — at the side of; beside; adjoining
- alpha leonis — Regulus1
- alphabetised — (British) Arranged in alphabetical order.
- alphabetiser — Non-Oxford British standard spelling of alphabetizer.
- alphabetizes — Third-person singular simple present indicative form of alphabetize.
- alphaviruses — Plural form of alphavirus.
- 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
- 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.
- amateurishly — In an amateurish or nonprofessional manner.
- ambidextrous — Someone who is ambidextrous can use both their right hand and their left hand equally skilfully.
- 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.
- 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.
- amphetamines — Plural form of amphetamine.
- amphicoelous — (of the vertebrae of most fishes and some amphibians) concave at the anterior and posterior ends
- 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.
- 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.
- anapaestical — belonging to the form of poetry which uses a reversed dactyl consisting of two short syllables followed by a long one
- anathematise — Alternative spelling of anathematize.
- anathematism — A formula of words used to cast anathema upon heretics etc.