单词 | hydranths |
释义 | hydro-1, also hydr- /hī-dr(ō)-, hī-dr(ə)- or hī-dr(o)-/combining formDenoting of, like or by means of water ORIGIN: Gr hydōr water hydraemia or (esp N American) hydremia /hī-drēˈmi-ə/ noun (Gr haima blood) wateriness of the blood hydragogue /hīˈdrə-gog, -gōg/ adjective (Gr agōgos bringing; medicine) Removing water or serum nounA drug with that effect hydrangea /hī-drānˈjə or hī-drānˈjyə/ noun (Gr angeion vessel) a plant of the Hydrangea genus of shrubby plants of the family Hydrangeāˈceae, with large globular clusters of showy flowers, natives of China and Japan hydrant /hīˈdrənt/ noun A connection for attaching a hose to a water main or a fireplug hydranth /hīˈdranth/ noun (Gr anthos flower) a nutritive polyp in a hydroid colony hydrarthrōˈsis noun (medicine) Swelling of a joint caused by the accumulation in it of watery fluid hyˈdrate noun
hydrāˈtion noun hydrēˈmia noun Mainly N American form of hydraemia hyˈdric adjective
hyˈdrically adverb hydride noun see under hydrogen hydro-aeˈroplane (N American hydro-airˈplane) noun A seaplane hydrobiologˈical adjective hydrobiolˈogist noun hydrobiolˈogy noun The biology of aquatic animals and plants hyˈdrocele /-sēl/ noun (Gr kēlē a swelling; medicine) A swelling containing serous fluid, esp in the scrotum hydrocellˈūlose noun A gelatinous material obtained by hydration of cellulose, used in paper-making, etc hydrocephalˈic or hydrocephˈalous adjective hydrocephalus /-sefˈə-ləs or -kefˈ/ noun
Hydrocharis /hī-drokˈə-ris/ noun (Gr charis, -itos grace) the frogbit genus, giving name to the Hydrocharitāˈceae, a family of water plants related to the pondweeds hyˈdrochore /-kör/ noun (Gr chōreein to make room, spread about) a plant disseminated by water hydrochoric /-korˈik/ adjective hydrocollˈoid noun A substance that forms a gel when mixed with water Hydrocorallīˈnae plural noun An order of Hydrozoa, massive reef-builders, the millepores, etc hydrocorˈalline noun and adjective hydrodynamic /-dīn-amˈik/ or hydrodynamˈical adjective (Gr dynamis power) hydrodynamˈicist noun hydrodynamˈics singular noun The science of the motions and equilibrium of a material system partly or wholly fluid (called hydrostatics when the system is in equilibrium, hydrokinetics when it is not) hydroelastˈic adjective (hydroelastic suspension a system of car suspension in which a fluid provides interconnection between the front and rear suspension units) hydroelecˈtric adjective hydroelectricˈity noun Electricity produced by means of water, esp by water power hydroextractˈor noun A drying machine that works centrifugally hyˈdrofoil noun
hyˈdrogel noun A gel formed with water hydrogeolˈogist noun hydrogeolˈogy noun The branch of geology dealing with ground water hyˈdrograph noun A graph showing seasonal variations in level, force, etc of a body of water hydrogˈrapher noun (Gr graphein to write) hydrographic /-grafˈik/ or hydrographˈical adjective hydrographˈically adverb hydrogˈraphy noun The investigation of seas and other bodies of water, including charting, sounding, study of tides, currents, etc hyˈdroid adjective
hydrokinetˈic adjective
hydrokinetˈics singular noun see hydrodynamics above hyˈdrolase noun An enzyme that catalyses hydrolysis hydrologˈic or hydrologˈical adjective hydrologˈically adverb hydrolˈogist noun hydrolˈogy noun
hydrolˈysate /-i-sāt/ noun A substance produced by hydrolysis hydrolyse or (N American) hydrolyze /hīˈdrō-līz/ transitive verb To subject to hydrolysis (also intransitive verb) hydrolysis /hī-drolˈi-sis/ noun (Gr lysis loosing) chemical decomposition or ionic dissociation caused by water hyˈdrolyte /-līt/ noun A body subjected to hydrolysis hydrolytic /-litˈik/ adjective hydromagnetˈic adjective hydromagnetˈics singular noun Magnetohydrodynamics hyˈdromancy noun (Gr manteiā divination) divination by water hydromāˈnia noun A craving for water hydromantˈic adjective hydromechanˈics singular noun Hydrodynamics hydromedūˈsa noun A hydrozoan in its sexual generation Hydromedūˈsae plural noun The class Hydrozoa hydromedūˈsan or hydromedūˈsoid adjective (also noun) hyˈdromel noun
hydrometˈallurgy (or /-met-alˈər-ji/) noun The extraction of metal from ore by treatment with water or other fluids hydromēˈteor noun (Gr meteōron a meteor) any weather phenomenon depending on the moisture content of the atmosphere hydrometeorolˈogy noun hydromˈeter noun (Gr metron a measure) an instrument for measuring specific gravity hydrometric /-metˈ/ or hydrometˈrical adjective hydromˈetry noun The science of the measurement and analysis of water, including the methods, techniques and instrumentation used in hydrology Hydromys /hīˈdrō-mis/ noun (Gr mȳs mouse) an Australasian genus of aquatic rodents hyˈdronaut noun A person trained to work in an underwater vessel, eg a submarine hydronephrōˈsis noun Distension of the kidney with urine held up as a result of obstruction in the urinary tract hydronephroˈtic adjective hydropathic /hī-drō-pathˈik or hī-drə-/ adjective Of, for, relating to or practising hydropathy noun (in full hydropathic establishment; informal hyˈdro (pl hyˈdros)) a hotel (with special baths, etc, and often situated near a spa) where guests can have hydropathic treatment hydropathˈical adjective hydropathˈically adverb hydropˈathist noun A person who practises hydropathy hydropˈathy noun (Gr pathos suffering) the treatment of disease by water, externally and internally hydrophane /hīˈdrō-fān/ noun (Gr phānos bright) a translucent opal transparent in water hydrophanous /-drofˈən-əs/ adjective Transparent on immersion Hydrophidae /hī-drofˈi-dē/ plural noun (Gr ophis snake) a family of venomous sea snakes hydrophilˈic adjective (chem) Attracting water hydrophˈilite noun Native calcium chloride (a very hygroscopic mineral) hydrophˈilous adjective
hydrophˈily noun (Gr phileein to love) water-pollination hydrophōˈbia noun
hydrophōˈbic (or /-fobˈ/) adjective
hydrophobicˈity noun hydrophobous /-drofˈə-bəs/ adjective (obsolete) hyˈdrophone /-fōn/ noun (Gr phōnē voice) an apparatus for listening to sounds conveyed by water hyˈdrophyte /-fīt/ noun (Gr phyton plant) a plant growing in water or in very moist conditions hydrophytic /-fitˈik/ adjective hydrophyton /hī-drofˈi-ton/ noun The coenosarc of a hydroid colony hydrophˈytous adjective hydropˈic adjective (non-standard hydropˈtic; see hydropsy below)
hyˈdroplane noun
hydropneumatˈic adjective Utilizing water and air acting together hydropolˈyp noun A hydrozoan polyp hydroponˈic adjective hydroponˈically adverb hydroponics /hī-drō-ponˈiks/ singular noun (Gr ponos toil) the art or practice of growing plants in (sand or gravel containing) a chemical solution without soil hyˈdropower noun Hydroelectric power hyˈdropsy noun (Gr hydrōps dropsy; archaic) Dropsy Hydropteridˈeae /-i-ē/ plural noun (Gr pteris, -idos male-fern) the water ferns or heterosporous ferns hydroptic adjective see hydropic above hyˈdropult noun (modelled on catapult) a hand force pump hydroquinone /-kwin-ōnˈ, or kwinˈ or -kwīnˈ/ noun Quinol hyˈdroscope noun
hyˈdroski /-skē/ noun A kind of hydrofoil used on seaplanes as a source of hydrodynamic lift, and on aeroplanes to make them amphibious hydrosōˈma or hyˈdrosome /-sōm/ noun (pl hydrosōˈmata or hyˈdrosomes) (Gr sōma body) a hydroid colony hydrosōˈmal or hydrosōˈmatous adjective hyˈdrospace or hydrosphere /hīˈdrō-sfēr/ noun (Gr sphaira sphere) the water on the surface of the earth, the seas and oceans hyˈdrostat noun (Gr -statēs causing to stand) a contrivance for indicating the presence of water hydrostatˈic or hydrostatˈical adjective (hydrostatic balance a balance for weighing bodies in water to determine their specific gravity; hydrostatic drive or transmission (in a vehicle) a drive consisting of a system transmitting power through oil, under pressure; hydrostatic extrusion (metallurgy) a form of extrusion in which the metal to be shaped is preshaped to fit a die forming the lower end of a high-pressure container that is filled with a pressure-transmitting liquid, the pressure being built up in the liquid by a plunger until the metal is forced through the die; hydrostatic paradox the principle that any quantity of fluid, however small, may balance any weight, however great; hydrostatic press a hydraulic press) hydrostatˈics singular noun see hydrodynamics above hydrostatˈically adverb hydrotacˈtic adjective hydrotaxˈis noun (Gr taxis arrangement) response of an organism to the stimulus of water hydrothēˈca noun (Gr thēkē case) the horny cup of a hydranth hydrotherapeuˈtic adjective hydrotherapeuˈtics or hydrotherˈapy noun Treatment of disease by the external use of water, eg treatment of disability by developing movement in water hydrotherˈmal adjective Relating to or produced by the action of heated or superheated water, esp in dissolving, transporting and redepositing mineral matter hydrothorax /-thöˈ/ noun (Gr thōrax chest) oedema in the chest hydrotropˈic adjective hydrotˈropism noun (Gr tropos a turn) the turning of a plant root towards (positive) or away from (negative) moisture hydrous /-hīˈdrəs/ adjective (chem and mineralogy) Containing water hydrovane noun see hydrofoil above hydrozincite /-zingkˈīt/ noun Basic zinc carbonate Hydrozōˈa plural noun
hydrozōˈan noun and adjective hydrozōˈon noun (pl hydrozōˈa) A coelenterate of the Hydrozoa |
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