16-letter words containing a, r, u
- heterometabolous — undergoing development in which the young are born adultlike in form, often maturing without a pupal stage.
- higher education — education beyond high school, specifically that provided by colleges and graduate schools, and professional schools.
- hit-and-run raid — a raid relying on surprise allied to a rapid departure from the scene of operations for the desired effect
- holier-than-thou — obnoxiously pious; sanctimonious; self-righteous.
- homeric laughter — loud, hearty laughter, as of the gods.
- horizontal union — a labor union organized by skills or trades of its members rather than by industries.
- horsehair fungus — an edible white, striated, umbrella-capped mushroom, Marasmius rotula, commonly found in eastern North America.
- horsehead nebula — a dark nebula in the constellation Orion, composed of opaque cosmic dust and resembling the head of a horse.
- horticulturalist — Misspelling of horticulturist.
- hourglass figure — the shape of a woman who is well-proportioned and has a small waist
- housing shortage — a deficiency or lack in the number of houses needed to accommodate the population of an area
- huevos rancheros — a Latin American dish of eggs, usually fried or poached, topped with a spicy tomato sauce and sometimes served on a fried corn tortilla with the addition of vegetables and cheese.
- hundred-year-old — of one hundred years of age
- hurricane season — annual cyclone period
- husayn ali mirza — 1817–92, Persian religious leader: founder of Bahāʾī.
- hybrid perpetual — a type of cultivated rose bred from varieties having vigorous growth and more or less recurrent bloom.
- hydrated alumina — a crystalline, water-insoluble powder, Al(OH) 3 or Al 2 O 3 ⋅3H 2 O, obtained chiefly from bauxite: used in the manufacture of glass, ceramics, and printing inks, in dyeing, and in medicine as an antacid and in the treatment of ulcers.
- hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
- hydraulic cement — cement that can solidify under water.
- hydraulic mining — placer mining using a pressurized stream of water.
- hydraulic radius — the ratio of the cross-sectional area to the perimeter of a pipe, outlet, or the like, through which a fluid is flowing.
- hydrophyllaceous — belonging to the Hydrophyllaceae, the waterleaf family of plants.
- hydroxylammonium — (inorganic compound) The univalent NH3OH+ cation, derived from hydroxylamine.
- hyperaccumulator — a plant that absorbs toxins, such as heavy metals, to a greater concentration than that in the soil in which it is growing
- hyperconjugation — (organic chemistry) A weak form of conjugation in which single bonds interact with a conjugated system.
- hyperinsulinemia — (medicine) The condition of having an excessively high level of insulin in the blood, usually due to excess production.
- hypermasculinity — pertaining to or characteristic of a man or men: masculine attire.
- hyperpituitarism — overactivity of the pituitary gland.
- hyperreal number — any of the set of numbers formed by the addition of infinite numbers and infinitesimal numbers to the set of real numbers
- hypersexualizing — Present participle of hypersexualize.
- hyperstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- hypervascularity — pertaining to, composed of, or provided with vessels or ducts that convey fluids, as blood, lymph, or sap.
- hyponitrous acid — an unstable, crystalline acid, H 2 N 2 O 2 .
- ice-cream supper — an ice-cream social held in the late afternoon or early evening.
- imaginary number — Also called imaginary, pure imaginary number. a complex number having its real part equal to zero.
- imago europe plc — A UK Internet provider. There sevice is called Imago On-line. E-mail: <[email protected]>.
- immeasurableness — The state or condition of being immeasurable.
- immelmann (turn) — a maneuver in which an airplane is half looped to an upside-down position and then half rolled back to normal, upright flight: used to gain altitude while reversing direction
- immunodepressant — preventing or diminishing the immune response
- immunomodulatory — (medical) Having the ability to alter or regulate immune functions.
- immunoregulation — (immunology) The control of immune responses between lymphocytes and macrophages.
- immunoregulatory — Of or pertaining to immunoregulation.
- impact extrusion — an extrusion process in which a slug of cold metal in a shallow die cavity is formed by the action of a rapidly moving punch that forces the metal through the die or back around the punch.
- impact structure — a large geologic formation, as a crater, created by a comet's or meteor's collision with a planet.
- imperturbability — incapable of being upset or agitated; not easily excited; calm: imperturbable composure.
- import surcharge — a tax imposed on all imported goods, adding to any established tariffs
- in a brown study — in a reverie or daydream
- in large measure — If something is true in some measure or in large measure, it is partly or mostly true.
- in quadruplicate — in four identical copies
- in the nature of — essentially the same as; by way of