12-letter words containing i, o, n, a, s
- homo sapiens — (italics) the species of bipedal primates to which modern humans belong, characterized by a brain capacity averaging 1400 cc (85 cubic in.) and by dependence upon language and the creation and utilization of complex tools.
- hootenannies — Plural form of hootenanny.
- horse marine — (formerly) a marine mounted on horseback or a cavalryman doing duty on shipboard.
- horse racing — a contest of speed among horses that either are ridden by jockeys or pull sulkies and their drivers.
- horsemanship — the art, ability, skill, or manner of a horseman.
- hosepipe ban — a ban, due to water shortage, on using hosepipes to water the garden or wash cars
- hot swapping — (hardware) The connection and disconnection of peripherals or other components without interrupting system operation. This facility may have design implications for both hardware and software.
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- housepainter — A professional painter of houses.
- housetrained — Simple past tense and past participle of housetrain.
- housewarming — a party to celebrate a person's or family's move to a new home.
- humanisation — Alternative form of humanization.
- humiliations — Plural form of humiliation.
- hyannis port — a town in SE Massachusetts, on Nantucket Sound: summer resort.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hydrosalpinx — A distally blocked Fallopian tube filled with serous or clear fluid.
- hypersomniac — a tendency to sleep excessively.
- hypnotisable — Alternative spelling of hypnotizable.
- hypogonadism — diminished hormonal or reproductive functioning in the testes or the ovaries.
- hysteromania — unusually increased sexual desire in a woman
- iatrogenesis — (medicine) Any adverse effect (or complication) resulting from medical treatment.
- iceland moss — an edible lichen, Cetraria islandica, of arctic regions, containing a starchlike substance used in medicine.
- iconoclastic — attacking or ignoring cherished beliefs and long-held traditions, etc., as being based on error, superstition, or lack of creativity: an iconoclastic architect whose buildings are like monumental sculptures.
- iconomachist — a person who campaigns against the use of icons in religious worship
- icosahedrons — Plural form of icosahedron.
- idealisation — Alternative spelling of idealization.
- idiodynamics — a system of beliefs in psychology emphasizing the role of the personality in choosing stimuli and in organizing responses.
- idiosyncracy — Alternative spelling of idiosyncrasy.
- idiosyncrasy — A mode of behavior or way of thought peculiar to an individual.
- idiot savant — a mentally defective person with an exceptional skill or talent in a special field, as a highly developed ability to play music or to solve complex mathematical problems mentally at great speed.
- ignorantness — The state or quality of being ignorant; ignorance.
- illuminators — Plural form of illuminator.
- illusionable — Liable to illusion.
- illustration — something that illustrates, as a picture in a book or magazine.
- immigrations — Plural form of immigration.
- immiseration — to make miserable.
- immunisation — (British, immunology) alternative spelling of immunization.
- impassionate — filled with passion; impassioned.
- impassioning — Present participle of impassion.
- impersonally — In an impersonal manner.
- impersonated — to assume the character or appearance of; pretend to be: He was arrested for impersonating a police officer.
- impersonates — Third-person singular simple present indicative form of impersonate.
- impersonator — a person who pretends to be another.
- implications — something implied or suggested as naturally to be inferred or understood: to resent an implication of dishonesty.
- importancies — Plural form of importancy.
- importations — Plural form of importation.
- impositional — Of or relating to imposition; intrusive.
- imprecations — Plural form of imprecation.
- impressional — a strong effect produced on the intellect, feelings, conscience, etc.
- imprisonable — capable of being imprisoned or incarcerated