12-letter words containing i, s, a
- 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.
- 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.
- angelologist — a person who studies angelology
- angiocarpous — being or having fruit contained in a vessel such as a shell
- angiogenesis — the induction of blood-vessel growth, often in association with a particular organ or tissue, or with a tumour
- angiopathies — Plural form of angiopathy.
- angiosarcoma — a rare, malignant tumour which grows rapidly in the blood vessels
- angiostomous — having a narrow opening