12-letter words containing a, u, t
- 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.
- ichthyofauna — the indigenous fish of a region.
- 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.
- illaqueation — the act of ensnaring
- illiterature — (archaic) Lack of learning; illiteracy.
- illuminating — to enlighten, as with knowledge.
- illumination — an act or instance of illuminating.
- illuminative — giving light; illuminating.
- illuminators — Plural form of illuminator.
- illuminatory — Increasing informative qualities; explanatory.
- 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.
- immaculately — free from spot or stain; spotlessly clean: immaculate linen.
- immatureness — not mature, ripe, developed, perfected, etc.
- immaturities — Plural form of immaturity.
- immunisation — (British, immunology) alternative spelling of immunization.
- immunization — the fact or process of becoming immune, as against a disease.
- immutability — not mutable; unchangeable; changeless.
- imparticular — (proscribed) in particular.
- implicatures — Plural form of implicature.
- import quota — the maximum amount of a product that can be imported into a country within a given period of time
- imputability — The character of being imputable.
- imputatively — In an imputative fashion or manner.
- in a flutter — agitated, flustered
- in actuality — actually, in fact, in reality
- in duplicate — in two copies, times two
- in miniature — on a smaller scale
- 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.
- in-and-outer — a person who is by turns in and out of a particular situation, condition, venture, investment, etc.
- inaccurately — In an inaccurate manner; incorrectly; inexactly.
- inadequately — not adequate or sufficient; inept or unsuitable.
- inaniloquent — Tending to speak inanely; loquacious; garrulous.
- inarticulate — lacking the ability to express oneself, especially in clear and effective speech: an inarticulate public speaker.
- inaudibility — not audible; incapable of being heard.
- inaugurating — to make a formal beginning of; initiate; commence; begin: The end of World War II inaugurated the era of nuclear power.
- inauguration — an act or ceremony of inaugurating.
- inauguratory — Inaugural; being the first instance.
- 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.
- incommutable — not exchangeable.