12-letter words containing o, l, e, r, a
- heteroplasty — the repair of lesions with tissue from another individual or species.
- heterosexual — of, relating to, or exhibiting heterosexuality.
- heterosocial — relating to or denoting mixed-sex social relationships
- heterothally — the condition of being heterothallic
- hexacarbonyl — (inorganic chemistry) Any compound having six carbonyl groups.
- hexachloride — a chloride containing six atoms of chlorine.
- hexafluoride — a fluoride containing six atoms of fluorine.
- hexobarbital — a barbiturate with hypnotic and sedative properties
- holidaymaker — vacationer.
- holkar state — a former state of central India, ruled by the Holkar dynasty of Maratha rulers of Indore (18th century until 1947)
- homeothermal — homoiothermal.
- horn balance — an extension of an aircraft control surface that projects in front of the hinge providing aerodynamic assistance in moving the control
- horometrical — Relating to horometry.
- horse parlor — a gambling room where people can bet on horse races with a bookmaker.
- horse trials — a competitive sporting event at which riders have to show their skill in dressage, show-jumping, and cross-country
- horse's tail — burro's tail.
- horse-collar — (especially in baseball) a score of zero.
- horse-dealer — a person who buys and sells horses as a profession
- horseplayers — Plural form of horseplayer.
- housecleaner — Someone employed to clean a house.
- hydrocephaly — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hydrolysable — Alternative spelling of hydrolyzable.
- hydrolysates — Plural form of hydrolysate.
- hydrolyzable — Able to be hydrolyzed.
- 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.
- hydrothermal — noting or pertaining to the action of hot, aqueous solutions or gases within or on the surface of the earth.
- hydroxylated — Simple past tense and past participle of hydroxylate.
- hygrothermal — (physics) Of or pertaining to both humidity and temperature.
- hyper-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- hyperarousal — A state of heightened psychological and physiological tension resulting in reduced pain tolerance, anxiety, excessive response to sensory stimulation, insomnia, and fatigue.
- hyperbolical — having the nature of hyperbole; exaggerated.
- hyperlogical — reasoning in accordance with the principles of logic, as a person or the mind: logical thinking.
- hyperosmolar — Of, pertaining to, or as a result of hyperosmolarity.
- hypervolemia — (medicine) An abnormal increase in the volume of blood circulating through the body.
- hypoallergic — Hypoallergenic.
- il trovatore — an opera (1853) by Giuseppe Verdi.
- ill-assorted — badly matched; incompatible
- ill-favoured — unpleasant in appearance; homely or ugly.
- immemorially — In an immemorial manner.
- immoderately — In an immoderate manner.
- immoralities — Plural form of immorality.
- immortalised — to bestow unending fame upon; perpetuate.
- immortalized — to bestow unending fame upon; perpetuate.
- immortalizes — Third-person singular simple present indicative form of immortalize.
- impardonable — (obsolete) unpardonable.
- imperatorial — Commanding; authoritative.
- imperforable — not able to be perforated
- impersonally — In an impersonal manner.
- imponderable — not ponderable; that cannot be precisely determined, measured, or evaluated.