9-letter words containing r, h, o, d
- hotdogger — One who hotdogs; a sporting show-off.
- hour hand — the hand that indicates the hours on a clock or watch.
- house red — a red wine sold unnamed by a restaurant, at a lower price than wines specified on the wine list
- howlround — the condition, resulting in a howling noise, when sound from a loudspeaker is fed back into the microphone of a public-address or recording system
- humoredly — (only in combination with good, bad or ill) American standard spelling of humouredly.
- hybridoma — a hybrid cell made in the laboratory by fusing a normal cell with a cancer cell, usually a myeloma or lymphoma, in order to combine desired features of each, as the ability of the cancer cell to multiply rapidly with the ability of the normal cell to dictate the production of a specific antibody.
- hybridous — of or relating to a hybrid
- hydration — any of a class of compounds containing chemically combined water. In the case of some hydrates, as washing soda, Na 2 CO 3 ⋅10H 2 O, the water is loosely held and is easily lost on heating; in others, as sulfuric acid, SO 3 ⋅H 2 O, or H 2 SO 4 , it is strongly held as water of constitution.
- hydrazoic — noting or pertaining to hydrazoic acid; triazoic.
- hydrazone — any of a class of compounds containing the group >C=NNH 2 .
- hydriodic — of or derived from hydriodic acid.
- hydro-ski — a hydrofoil attached to a seaplane to aid in takeoffs and landings.
- hydrobomb — an aerial torpedo equipped with a rocket engine that propels it after the torpedo has entered the water.
- hydrocast — a process in which water is collected at various depths in a device with bottles clamped together, providing data on differing water characteristics.
- hydrocele — an accumulation of serous fluid, usually about the testis.
- hydrofoil — Naval Architecture. a surface form creating a thrust against water in a direction perpendicular to the plane approximated by the surface.
- hydrogels — Plural form of hydrogel.
- hydrogens — Plural form of hydrogen.
- hydrolant — an urgent warning of navigational dangers in the Atlantic Ocean, issued by the U.S. Navy Hydrographic Office.
- hydrolase — an enzyme that catalyzes hydrolysis.
- hydrolize — (intransitive) To undergo hydrolization.
- hydrology — the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.
- hydrolyse — Alternative spelling of hydrolyze.
- hydrolyte — a substance subjected to hydrolysis.
- hydrolyze — Break down (a compound) by chemical reaction with water.
- hydronaut — a person trained to work in deep-sea vessels for research and rescue purposes.
- hydronium — (inorganic chemistry) the hydrated hydrogen ion, H3O+.
- hydroptic — (formerly) edema.
- hydropult — a type of water pump or machine that expels water by means of hand power, as, for example, a fire extinguisher
- hydroseed — to sow (a field, lawn, etc.) with seed by distribution in a stream of water propelled through a hose.
- hydrosere — a sere originating in water.
- hydrosols — Plural form of hydrosol.
- hydrosoma — hydrosome.
- hydrosome — the entire body of a compound hydrozoan.
- hydrostat — an electrical device for detecting the presence of water, as from overflow or leakage.
- hydrovane — a vane on a seaplane conferring stability on water (a sponson) or facilitating take off (a hydrofoil)
- hydroxide — a chemical compound containing the hydroxyl group.
- hydrozoan — any freshwater or marine coelenterate of the class Hydrozoa, including free-swimming or attached types, as the hydra, in which one developmental stage, either the polyp or medusa, is absent, and colonial types, as the Portuguese man-of-war, in which both medusa and polyp stages are present in a single colony.
- hydrozoon — (zoology) One of the Hydrozoa.
- hygrodeik — A form of hygrometer having wet and dry bulb thermometers, with an adjustable index showing the percentage of moisture in the air, etc.
- hypoderma — hypodermis.
- hysteroid — resembling hysteria.
- ideograph — an ideogram.
- idiograph — a mark or signature characteristic of a particular person, organization, etc.; trademark. Compare logotype (def 2).
- innholder — innkeeper.
- iron hand — strict or harsh control: The general governed the country with an iron hand.
- isherwood — Christopher (William Bradshaw) [brad-shaw] /ˈbræd ʃɔ/ (Show IPA), 1904–86, English poet, novelist, and playwright; in the U.S. since 1938.
- isohydric — having the same acidity or hydrogen-ion concentration
- jobholder — a person who has a regular or steady job.
- john dory — any fish of the family Zeidae, especially Zeus faber, of European seas, having a vertically compressed body and long spines in the dorsal fin.