Words starting with H

hydatiduriaThe presence of hydatid cysts in the urine
hydatiformResembling a hydatid.
hydatinidAny sea snail in the family Hydatinidae.
hydatismThe sound caused by the presence of fluid in a cavity of the body.
hydatoidwatery, aqueous
hydatophyteAn obligate waterplant; a plant which lives partly or completely submerged in water, such as water lettuce (Pistia stratiotes).
hydatoscopyDivination by interpreting rainwater. Omens are drawn from the various formations and sizes of rain puddles, and bowls of rainwater are gazed upon until clairvoyant visions appear on the surface of the water, or in the mind's eye. This is considered in some cases to be more important than hydromancy because rain has fallen from the heavens, making it sacred.
hydeAn English topographic surname from Middle English for someone living on a hide of land.
HydeiaA female given name.
hydelhydroelectric
HydenA surname.
HyderA surname.
HyderabadThe capital and largest city of Telangana, India.
HyderabadiOf, from or relating to the city of Hyderabad, capital of Telangana, India.
hydergineA mixture of dihydroergotoxine mesylates derived from ergoline.
HydestileA hamlet in Busbridge parish and Hambledon parish, Waverley borough, Surrey, England (OS grid ref SU9640).
HydesvilleA census-designated place in Humboldt County, California, United States.
hydnaceousOf or relating to the Hydnaceae.
hydnellumAny of the genus Hydnellum of tooth fungi.
hydnoidOne of a group of fungi that have basidiocarps producing spores on tooth- or spine-like projections.
HydockA surname.
hydraA dragon-like creature with many heads and the ability to regrow them when maimed.
hydracarbazineAn antihypertensive agent.
hydrachnidAn aquatic mite of the genus Hydrachna or of its relatives in Hydrachnidiae or similar groups.
hydracidAn acid that does not contain any oxygen; they are all binary compounds of hydrogen plus either a halogen (for example, hydrochloric acid, hydrofluoric acid, hydroiodic acid, hydrobromic acid) or a pseudohalogen.
hydracrylateAny salt or ester of hydracrylic acid
hydractinianA marine hydroid of the genus Hydractinia or a closely-related genus
hydractiniidAny hydrozoan of the family Hydractiniidae.
hydraemiathinness of the blood
hydraenidAny member of the family Hydraenidae of minute moss beetles.
hydragogueCausing a discharge of water; expelling serum effused into any part of the body, as in dropsy.
hydrailAny rail technology where vehicles use on-board hydrogen as a source of energy to power the motors.
hydralazineA direct-acting smooth muscle relaxant used to treat hypertension by acting as a vasodilator primarily in arteries and arterioles.
hydralikeResembling a hydra
hydramA hydraulic ram.
hydramideOne of a group of crystalline bodies produced by the action of ammonia on certain aldehydes.
hydramineany organic compound having both a hydroxy and an amino functional group; a hydroxy-amine
hydramnicHydramniotic.
hydramnionPolyhydramnios.
hydramniospolyhydramnios
hydramnioticOf, relating to, or characterised by hydramnios (polyhydramnios).
hydranencephalyA condition where the brain's cerebral hemispheres are absent, replaced by sacs filled with cerebrospinal fluid.
hydrangeaAny of several shrubs, of the genus Hydrangea, having large clusters of white, pink or blue flowers.
hydrangeaceousOf or relating to the Hydrangeaceae.
hydrangenolA dihydroisocoumarin found in Hydrangea macrophylla.
hydrantAn outlet from a liquid/fluid main often consisting of an upright pipe with a valve attached from which fluid (e.g. water or fuel) can be tapped.
hydranthAn individual polyp of a hydroid colony
hydraquentA type of aquent containing clay
hydrarchyA pseudogovernmental system of laws and justice between pirates at sea.
hydrargaphenA particular fungicide.
hydrargochlorideA compound of the mercury dichloride with another chloride.
hydrargyllitegibbsite
hydrargyralRelating to the chemical element mercury, or hydrargyrum.
hydrargyriamercury poisoning
hydrargyriferousBearing or producing mercury
hydrargyrismhydrargyria; mercurialism or mercury poisoning
hydrargyrumMercury (chemical element).
hydrarthrosisAn effusion of watery liquid into the cavity of a joint, usually the knee.
hydraseAn enzyme that catalyzes the addition of water.
hydrastineA natural alkaloid present in goldenseal.
hydrastinineA semisynthetic alkaloid resulting from the hydrolysis of hydrastine.
hydratableCapable of being hydrated.
hydrataseAny enzyme that catalyzes the addition or removal of the elements of water; a hydrase
hydrateA solid compound containing or linked to water molecules.
hydratedCombined chemically with water.
hydrationThe incorporation of water molecules into a complex with those of another compound.
hydrationalRelating to hydration.
hydrationallyConcerning, or in terms of, hydration.
hydrativerelating to hydration
hydratorSomething that hydrates.
hydrauconeA form of draft tube used with a hydroturbine, having a bell-mouth shape and a flat plate deflector near the mouth.
hydraugerA horizontal boring machine used to install pipelines etc. under roadways
hydraulicPertaining to water.
hydraulicallyUsing hydraulics.
hydraulicianOne who studies hydraulics.
hydraulicityThe condition of being hydraulic
hydraulickerA worker who operates a hydraulic machine.
hydraulickinghydraulic mining (mining using pressurized water jets to dislodge rock or move sediment)
hydrauliconAn ancient musical instrument, the water organ.
hydraulicsThe engineering science that deals with practical applications where liquid is in motion and transmits energy.
hydraulisSynonym of water organ.
hydraulistOne who works in the field of hydraulics.
hydraulophoneAny of several musical instruments that employ the movement of water rather than air.
hydraulusSynonym of water organ.
hydrazideany compound derived from an oxoacid by replacing the hydroxide group with -NHNH₂ or derived forms -NRNR₂
hydrazidineany compound derived from a carboxylic acid by replacing the carbonyl group with =NNH₂ and the hydroxyl group with -NHNH₂ (or substituted forms of both)
hydrazidoA double bonded ligand =NNH₂ derived from hydrazine.
hydrazinationtreatment or reaction with hydrazine, especially any addition reaction in which the elements of hydrazine are added across a double bond to form a diamine
hydrazineA corrosive, fuming liquid, NH₂-NH₂, used as a rocket fuel.
hydraziniumThe univalent cation N₂H₅⁺ formed by protonation of hydrazine
hydrazinoThe univalent radical formed from hydrazine by loss of a hydrogen atom
hydrazinolysisCleavage (similar to hydrolysis) using a solution of hydrazine.
hydrazinophthalazineAny of a class of drugs including hydralazine, dihydralazine, cadralazine, and endralazine.
hydrazinylThe radical NH₂-NH- derived from hydrazine
hydrazinylideneAn isodiazene.
hydrazoThe divalent radical and functional group -NHNH- derived from hydrazine, and N-substituted derivatives.
hydrazoateazide
hydrazobenzeneThe hydrogenated form of azobenzene 1,2-diphenylhydrazine
hydrazoformA chemical compound containing hydrazine connected to a carbonyl group
hydrazoicOf or pertaining to hydrazoic acid
hydrazoneAny compound, of general formula R₂C=NNR₂, formally derived from an aldehyde or ketone by replacing the carbonyl group with =NNH₂ or derivative.
hydrazonicDescribing any of several classes of oxyacids in which a double-bonded oxygen atom is replaced by a =N-NR₂ group.
hydrazonoicOf or pertaining to hydrazonoic acids or their derivatives
hydrazonoylAny univalent radical, of general formula R₂N-N=C(R)-O-, derived from a hydrazonoic acid
hydrazonylAny univalent radical derived from a hydrazone
hydrazylThe radical H₂N-NH-
hydremiaThinness of the blood.
hydremicRelating to or exhibiting hydremia.
hydrencephaloceleA protrusion of the brain fissure enclosing part of a ventricle.
hydriaA three-handled clay or metal vessel used in Greek culture to hold and pour water.
hydriadA water nymph.
HydrianOf or relating to the monster Hydra in Greek legend.
hydriatrichydrotherapeutic
hydriatristhydrotherapist
hydriatryhydrotherapy
hydricCharacterized by, or requiring, moisture.
hydricallyIn a hydric manner.
hydricityThe combined use of hydrogen and electricity as a power source
HydrickA surname from Dutch.
hydridAny of the meteors in a meteor shower that appears to come from the constellation Hydra.
hydrideA compound of hydrogen with a more electropositive element.
hydridicOf, pertaining to, or characteristic of a hydride.
hydridingA process of reducing an ore to a metal by treatment with hydrogen at high temperature
hydridoDescribing any complex in which a hydride ligand is bonded to a central metal atom
hydridoheliumSynonym of helium hydride.
hydriformHaving the form or structure of a hydra.
hydrillaAn aquatic plant, Hydrilla verticillata
hydrindantinA chemical intermediate formed during the ninhydrin test for amines.
hydrinoA supposed form of hydrogen having a lower energy than that of the normal ground state; postulated to explain the outcome of early cold fusion experiments.
hydriodateiodide
hydriodicOf or pertaining to hydriodic acid or its derivatives
hydriodideA compound of hydriodic acid with a base.
hydrionproton (positive hydrogen ion)
HydriotFrom or pertaining to the Greek island of Hydra.
hydriskeA form of Ancient Greek pottery: a miniature version of the hydria.
hydriskosSynonym of hydriske.
hydriumhydrogen
hydroElectrical power supply; specifically, electrical power provided by a utility (as a publicly-owned one); payment or bills for this.
hydroabrasionWater abrasion.
hydroabrasiveRelating to hydroabrasion.
hydroabsorbentThat absorbs water
hydroaccumulationThe temporary storage of heat energy in a reservoir of hot water
hydroacousticOf or pertaining to hydroacoustics
hydroacousticsAny of various sciences and technologies dealing with sound transmitted through water.
hydroacylationAny addition reaction in which an acyl group and a hydrogen atom (from an aldehyde) are added across a double bond
hydroaerodromeA seaplane, floatplane, or flying boat base.
hydroaeroplaneA floatplane, an airplane specialized for operating on water, having pontoon floats instead of skids or wheels.
hydroaffinityaffinity to water; hydrophilicity
hydroagriculturalRelating to hydroagriculture
hydroagriculturehydroponic agriculture

Words starting with H

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