12-letter words containing a, e, r, o, t, h
- horometrical — Relating to horometry.
- horse trader — a person who is shrewd and clever at bargaining.
- 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-trader — a person who buys and sells horses
- house arrest — confinement of an arrested person to his or her residence or to a public place, as a hospital, instead of in a jail: He was under house arrest until the day of his trial.
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- housefathers — Plural form of housefather.
- housemasters — Plural form of housemaster.
- housepainter — A professional painter of houses.
- housetrained — Simple past tense and past participle of housetrain.
- hovering act — an act forbidding or restricting the loitering of foreign or domestic vessels within the prescribed limits of a coastal nation.
- hydnocarpate — a salt or ester of hydnocarpic acid.
- hydrobromate — (chemistry) hydrobromide.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hydrogenated — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydrogenates — Third-person singular simple present indicative form of hydrogenate.
- hydrolysates — Plural form of hydrolysate.
- 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.
- hydrotherapy — the branch of therapeutics that deals with the curative use of water.
- 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.
- hymenopteran — hymenopterous.
- hyperchaotic — Of or pertaining to hyperchaos.
- hypercoaster — Megacoaster.
- hyperreactor — a person who behaves in a hyperreactive manner
- hypnotherapy — treatment of a symptom, disease, or addiction by means of hypnotism.
- hyponatremia — (medicine) An abnormally low concentration of sodium (or salt) in blood plasma.
- hypothecator — to pledge to a creditor as security without delivering over; mortgage.
- hysteromania — unusually increased sexual desire in a woman
- iatrochemist — a person who practises iatrochemistry
- in hot water — If you are in hot water, you are in trouble.
- iontotherapy — (medicine) The therapeutic use of iontophoresis.
- iron-hearted — cruel; heartless; unfeeling.
- ischiorectal — (anatomy) Of or pertaining to the region between the rectum and the ischial tuberosity.
- isosthenuria — the inability of the kidneys to dilute or concentrate urine
- isothermally — occurring at constant temperature.
- joseph brant — Joseph (Thayendanegea) 1742–1807, Mohawk Indian chief who fought on the side of the British in the American Revolution.
- katharevousa — The purist form of modern Greek used in traditional literary writing, as opposed to the form that is spoken and used in everyday writing (called demotic).
- katharometer — (science) A device used for analyzing gas mixtures by measuring their thermal conductivity.
- keratohyalin — (biology) A protein structure found in granules in the stratum granulosum of the epidermis, which may be involved in keratinization, and in Hassall corpuscles in the thymus.
- kinetography — a camera for taking pictures for a kinetoscope.
- lahore party — a modern sect, divided into an older group (Qadianis) and a newer group (Lahore party)
- leaf through — one of the expanded, usually green organs borne by the stem of a plant.
- leatherbound — Bound in leather.
- leatherwoods — Plural form of leatherwood.
- leopard moth — a moth, Zeuzera pyrina, having white wings spotted with black and larvae that bore into the wood of various trees and shrubs.
- lion-hearted — exceptionally courageous or brave.
- lithographed — Simple past tense and past participle of lithograph.