12-letter words containing a, y, o, u
- gratuitously — given, done, bestowed, or obtained without charge or payment; free; voluntary.
- gregariously — fond of the company of others; sociable.
- gymnocarpous — (of a fungus or lichen) having the apothecium open and attached to the surface of the thallus.
- gynantherous — having the stamens converted into pistils by the action of frost, disease, or insects.
- gypsum board — wallboard composed primarily of gypsum and often used as sheathing.
- happy couple — two people in a happy romantic relationship, especially two people who have just married
- harmoniously — marked by agreement in feeling, attitude, or action: a harmonious group.
- hellaciously — In a hellacious manner.
- homodynamous — (biology) Pertaining to, or involving, homodynamy.
- homosexually — In a homosexual way.
- how are you? — what is your state of health?
- how dare you — You say 'how dare you' when you are very shocked and angry about something that someone has done.
- human comedy — French La Comédie Humaine. a collected edition of tales and novels in 17 volumes (1842–48) by Honoré de Balzac.
- humboldt bay — an inlet of the Pacific Ocean in NW California.
- 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.
- 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.
- illuminatory — Increasing informative qualities; explanatory.
- illustratory — Serving to illustrate.
- in your face — involving confrontation; defiant; provocative.
- in-your-face — involving confrontation; defiant; provocative.
- inauguratory — Inaugural; being the first instance.
- incautiously — In an incautious manner; with a lack of caution.
- inclusionary — (of zoning, housing programs, etc.) stipulating that a certain percentage of new housing will be priced within the reach of middle-income buyers or renters.
- incommutably — In an incommutable manner.
- incomputably — In an incomputable way.
- insouciantly — free from concern, worry, or anxiety; carefree; nonchalant.
- jeopardously — with risk or peril
- jiaozhou bay — an inlet of the Yellow Sea in NE China, in SE Shandong province
- john mauchly — (person) /jon W mok'*-lee/ (rhymes with "broccoli") Dr. John W. Mauchly, one of the developers of ENIAC.
- journeywoman — The female equivalent of a journeyman.
- jury foreman — a member of a jury in a court of law who is chosen by the other members to act as spokesperson for the jury
- k/t boundary — Cretaceous/Tertiary boundary: the time zone comprising the end of the Cretaceous and the beginning of the Tertiary periods
- labour party — a political party in Great Britain, formed in 1900 from various socialist and labor groups and taking its present name in 1906.
- labouriously — Alternative form of laboriously.
- languorously — characterized by languor; languid.
- lasciviously — inclined to lustfulness; wanton; lewd: a lascivious, girl-chasing old man.
- laundry room — utility room
- laundrywoman — laundress.
- laundrywomen — Plural form of laundrywoman.
- lay a course — to sail on a planned course without tacking
- loquaciously — In a loquacious manner.