10-letter words containing h, o, a, r
- horsewoman — a woman who rides on horseback.
- hortensial — (obsolete) Fit for a garden.
- hospitaler — a member of the religious and military order (Knights Hospitalers or Knights of St. John of Jerusalem) originating about the time of the first Crusade (1096–99) and taking its name from a hospital at Jerusalem.
- hot-walker — a person whose job is walking racehorses after races, workouts, etc. to allow them to cool off gradually
- hotel rack — rack6 (def 2).
- hour angle — the angle, measured westward through 360°, between the celestial meridian of an observer and the hour circle of a celestial body.
- house mark — a trademark that appears on and identifies all of a company's products.
- housebreak — to train (a pet) to excrete outdoors or in a specific place.
- housecarls — Plural form of housecarl.
- housemaker — Homemaker.
- housetrain — To teach a house pet to urinate and defecate outside or in a designated location in the home.
- housewares — (North America) Domestic utensils, especially for the kitchen.
- hoverboard — (science fiction) A levitating board that can be ridden in the manner of a surfboard or skateboard.
- hovercraft — ACV.
- hovertrain — an experimental high-speed train that rides on a cushion of air over a concrete guide track in the shape of an inverted T and is propelled by one or more propellers or jet engines.
- hrotsvitha — c935–c1000, German nun, poet, and dramatist.
- humaniform — Like a human or that of a human in form, seeming, or appearance.
- humiliator — to cause (a person) a painful loss of pride, self-respect, or dignity; mortify.
- humoralism — a theory of the composition and workings of the human body, based on the idea that it was filled with four basic substances, or humours, adopted by Greek and Roman physicians and philosophers.
- humoralist — a person who believes in humoralism
- hunt board — English Furniture. a semicircular drinking table, often having a groove serving as a guide for coasters and a well for unopened bottles.
- hurlbarrow — a wheelbarrow
- hyalograph — an instrument used in hyalography.
- hyaluronic — Of or pertaining to hyaluronic acid or its derivatives.
- hybridomas — Plural form of hybridoma.
- hydra code — (humour, programming) Code that cannot be fixed because each time a bug is remove, two new bugs grow in its place. Named after the many-headed Hydra of Greek mythology.
- hydragogue — causing the discharge of watery fluid, as from the bowels.
- hydrazoate — a salt of hydrazoic acid; azide.
- hydriodate — (obsolete, inorganic chemistry) iodide.
- hydrocoral — any colonial marine animal of the hydrozoan order Stylasterina having a calcareous skeleton resembling that of the true corals.
- hydrocrack — to crack (petroleum or the like) in the presence of hydrogen.
- hydrograph — a graph of the water level or rate of flow of a body of water as a function of time, showing the seasonal change.
- hydrolases — Plural form of hydrolase.
- hydromancy — divination by means of the motions or appearance of water.
- hydromania — an excessive craving or love for water
- hydropathy — the curing of disease by the internal and external use of water.
- hydrophane — a partly translucent variety of opal, which becomes more translucent or transparent when immersed in water.
- hydroplane — a seaplane.
- hydrorhiza — the rootlike base of a hydroid colony, by which it is attached to the substratum.
- hydrosomal — of or relating to a hydrosome
- hydrospace — the regions beneath the surface of the oceans and seas.
- hydrostats — Plural form of hydrostat.
- hydrotaxis — oriented movement toward or away from water.
- hydrotheca — the part of the perisarc covering a hydranth.
- hydrozoans — Plural form of hydrozoan.
- hyetograph — a map or chart showing the average rainfall for the localities represented.
- hygrochasy — the opening of a fruit or flower caused by water or moisture
- hygrograph — a self-recording hygrometer.
- hyoplastra — the second foremost pair of plastral bones in a turtle
- hypaethron — a part of a building or court which is open to the sky