12-letter words containing a, s, u
- housewarming — a party to celebrate a person's or family's move to a new home.
- hubble's law — the law that the velocity of recession of distant galaxies from our own is proportional to their distance from us.
- human rights — basic civil freedoms
- human safari — an organized tour that takes tourists to unfamiliar places where they can observe the lifestyle of indigenous or other local people: human safaris to remote tribal communities; a human safari through the slums of Mumbai.
- human shield — a person or group of people located or intentionally placed in a potential line of fire or in an area likely to be attacked.
- humanisation — Alternative form of humanization.
- humiliations — Plural form of humiliation.
- hundred days — the period from March 20 to June 28, 1815, between the arrival of Napoleon in Paris, after his escape from Elba, and his abdication after the battle of Waterloo.
- hunger pangs — sudden strong feelings of hunger
- hunt sabbing — the activity of sabotaging a hunt due to the belief that animals should not be harmed by humans
- hunting case — a watchcase with a hinged cover to protect the crystal.
- huntsmanship — The art or practice of hunting, or the qualification of a hunter.
- hydromedusae — Irregular plural form of hydromedusa.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hydrosulfate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hyperarousal — A state of heightened psychological and physiological tension resulting in reduced pain tolerance, anxiety, excessive response to sensory stimulation, insomnia, and fatigue.
- hypersensual — extremely or excessively sensual
- hypersurface — a mathematical object that generalizes the concept of surface from three-dimensional Euclidean space to hyperspace.
- hypogastrium — the lower and median part of the abdomen.
- hypognathous — having the lower jaw or mandible longer than the upper.
- hyposulphate — a salt derived from hyposulphuric acid
- hypothalamus — a region of the brain, between the thalamus and the midbrain, that functions as the main control center for the autonomic nervous system by regulating sleep cycles, body temperature, appetite, etc., and that acts as an endocrine gland by producing hormones, including the releasing factors that control the hormonal secretions of the pituitary gland.
- ichthyosaurs — Plural form of ichthyosaur.
- idolatrously — In an idolatrous manner.
- ignis fatuus — Also called friar's lantern, will-o'-the-wisp. a flitting phosphorescent light seen at night, chiefly over marshy ground, and believed to be due to spontaneous combustion of gas from decomposed organic matter.
- iguaçú falls — a waterfall on the border between Brazil and Argentina, on the Iguaçú River: divided into hundreds of separate falls by forested rocky islands. Width: about 4 km (2.5 miles). Height: 82 m (269 ft)
- illuminators — Plural form of illuminator.
- illusionable — Liable to illusion.
- illustrating — Present participle of illustrate.
- illustration — something that illustrates, as a picture in a book or magazine.
- illustrative — serving to illustrate; explanatory: illustrative examples.
- illustrators — Plural form of illustrator.
- illustratory — Serving to illustrate.
- immatureness — not mature, ripe, developed, perfected, etc.
- immaturities — Plural form of immaturity.
- immeasurable — incapable of being measured; limitless: the immeasurable vastness of the universe.
- immeasurably — incapable of being measured; limitless: the immeasurable vastness of the universe.
- immensurable — immeasurable.
- immunisation — (British, immunology) alternative spelling of immunization.
- implicatures — Plural form of implicature.
- in a measure — to an extent
- in spadefuls — in an extreme or emphatic way
- in statu quo — in the state in which (anything was or is).
- in substance — that of which a thing consists; physical matter or material: form and substance.
- inaccuracies — Plural form of inaccuracy.
- inadequacies — Plural form of inadequacy.
- inauspicious — not auspicious; boding ill; ill-omened; unfavorable.
- incapsulated — Simple past tense and past participle of incapsulate.
- incapsulates — Third-person singular simple present indicative form of incapsulate.
- incautiously — In an incautious manner; with a lack of caution.