10-letter words containing a, r, d, o
- harmonized — Add notes to (a melody) to produce harmony.
- harold iii — (Harold Hardrada) 1015–66, king of Norway 1045–66.
- harpsicord — Dated form of harpsichord.
- headboards — Plural form of headboard.
- headcollar — A bitless headpiece for leading or tying up a horse.
- headstrong — determined to have one's own way; willful; stubborn; obstinate: a headstrong young man.
- hebdomadar — (in Scottish universities and grammar schools) a name given to the member of staff whose weekly turn it is to supervise the behaviour of students
- heptachord — a musical scale of seven notes.
- herdswoman — The female equivalent of a herdsman.
- hexachords — Plural form of hexachord.
- hexahedron — a solid figure having six faces, as a cube.
- hexandrous — (of a plant) having six stamen
- high board — a diving board three meters above the water.
- hofstadter — Richard, 1916–70, U.S. historian.
- hog badger — a SE Asian badger, Arctonyx collaris, with a piglike mobile snout
- hold water — a transparent, odorless, tasteless liquid, a compound of hydrogen and oxygen, H 2 O, freezing at 32°F or 0°C and boiling at 212°F or 100°C, that in a more or less impure state constitutes rain, oceans, lakes, rivers, etc.: it contains 11.188 percent hydrogen and 88.812 percent oxygen, by weight.
- holohedral — (of a crystal) having all the planes or faces required by the maximum symmetry of the system to which it belongs.
- holy bread — bread used in a Eucharistic service, both before and after consecration.
- home brand — an item packaged and marketed under the brand name of a particular retailer, usually a large supermarket chain, rather than that of the manufacturer
- home guard — a volunteer force used for meeting local emergencies when the regular armed forces are needed elsewhere.
- honor card — honor (def 11).
- hoover dam — official name of Boulder Dam.
- hop garden — a field of hops
- horsedrawn — Alternative spelling of horse-drawn.
- hoverboard — (science fiction) A levitating board that can be ridden in the manner of a surfboard or skateboard.
- hunt board — English Furniture. a semicircular drinking table, often having a groove serving as a guide for coasters and a well for unopened bottles.
- 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.
- hypnodrama — the acting out of a traumatic experience, under hypnosis, by a person undergoing psychotherapy.
- hypodermal — Zoology. an underlayer of epithelial cells in arthropods and certain other invertebrates that secretes substances for the overlying cuticle or exoskeleton.
- hypodorian — denoting a plagal mode represented by the ascending diatonic scale from A to A