| 单词 | natural gas |
| 释义 | gas /gas/noun (pl gasˈes)
ORIGIN: A word invented by JB van Helmont (1577–1644); suggested by Gr chaos gasahol see gasohol below gasalierˈ, gaselierˈ or gasolierˈ noun A hanging frame with branches for gas jets (formed on false analogy after chandelier) gasēˈity noun Gaseous state, character or condition gaseous /gāzˈ, gāsˈ, gasˈ or gazˈi-əs, also gāˈshəs or gashˈəs/ adjective
gasˈeousness noun gasificāˈtion noun Conversion into gas gasˈifier noun gasˈiform adjective gasˈify transitive verb To convert into gas gasogene see gazogene gasˈohol or gasˈahol noun A mixture of 8 or 9 parts petrol and 1 or 2 parts alcohol, used as a fuel gasˈolene or gasˈoline /-ə-lēn/ noun
gasolier see gasalier above gasomˈeter noun A storage tank for gas gasometˈric or gasometˈrical adjective Relating to the measurement of gas gasomˈetry noun The measurement of amounts of gas gassˈer noun
gassˈiness noun gassˈing noun
gassˈy adjective
gasˈbag noun
gas black noun Soot produced by burning natural gas gasˈ-bottle noun A steel cylinder for holding compressed gas gasˈ-bracket noun A gas pipe projecting from the wall of a room for lighting purposes gasˈ-buoy noun A floating buoy carrying a supply of gas to light a lamp fixed on it gasˈ-burner noun The perforated part of a gas-fitting where the gas issues and is burned gas cap noun Gas found in the highest part of oil-containing rock gas-carˈbon noun A hard dense carbon deposited in coal-gas retorts gas centrifuge noun A centrifuge for separating gases gas chamber noun An enclosed place designed for killing by means of gas (also gas oven) gas chromatography noun A widely used form of chromatography in which a gas is passed down the column which contains the mixture to be separated and a solvent gasˈ-coal noun
gasˈ-coke noun Coke made in gas retorts gasˈ-condenser noun An apparatus for freeing coal gas from tar gas constant noun (physics) The constant of proportionality in the equation of state for 1 mole of an ideal gas gas cooker noun A cooking stove using gas as fuel gasˈ-cooled adjective Cooled by a flow of gas gas-discharge tube noun Any tube in which an electric discharge takes place through a gas gas engine noun An engine worked by the explosion of gas gaseous diffusion noun (nuclear eng) An isotope separation process based on differences in molecular diffusion gaseous diffusion enrichment noun (physics) The enrichment of uranium isotopes using gaseous uranium hexafluoride passing through a porous barrier gas escape noun A leakage of gas gasˈfield noun A region in which natural gas occurs gasˈ-filled adjective Filled with gas gas fire noun A room-heating apparatus in which gas is burned gasˈ-fired adjective Fuelled, or heated, by gas(es) gasˈ-fitter noun A person whose job is to fit up the pipes, etc for gas appliances gasˈ-fittings plural noun Gas pipes, etc for lighting and heating by gas gasˈ-furnace noun A furnace of which the fuel is gas gas gangrene noun Gangrene resulting from infection of a wound by certain bacteria which form gases in the flesh gas giant noun (astronomy) A large planet with a gaseous atmosphere that makes up most of its mass gasˈ-globe noun A glass used to enclose and shade a gaslight gas gun noun A gun in which gas is the fuel or propellant gasˈ-guzzler noun (informal, orig US) A car that consumes large amounts of petrol gasˈ-guzzling adjective (informal; esp N American) Consuming large amounts of petrol gas heater noun Any heating apparatus in which gas is used gas helmet noun A gas mask in the form of a helmet completely covering the head gasˈholder noun
gas jar noun A tall, narrow, cylindrical glass vessel for collecting and holding a gas in chemical experiments gas jet noun
gas lamp noun A lamp that burns gas gas lift noun A method of extracting oil from the bottom of an oil well by injecting compressed liquid gas there gasˈlight noun
adjective Of, concerned with, or for use by, gaslight gasˈ-lime noun Lime that has been used in purifying gas gasˈ-liquor noun A solution of ammonia and ammonium salts derived from gas-making gasˈlit adjective Illuminated by gaslight gas main noun A principal gas pipe from the gasworks gasˈman noun A man employed in gas-making, in repairing or installing gas-fittings, or in the reading of meters gas mantle noun A gauze covering, chemically prepared, enclosing a gas jet, and becoming incandescent when heated gas mask noun A respiratory device (covering nose, mouth and eyes) as a protection against poisonous gases gas meter noun An instrument for measuring gas consumed gasˈ-motor noun A gas engine gas oil noun A petroleum distillate, intermediate between kerosene and lubricating oil, used as (esp heating) fuel gas oven noun
gas-perˈmeable adjective (of hard contact lenses) allowing oxygen to penetrate through to the eye gas pipe noun A pipe for conveying gas gasˈ-plant noun Dittany (see burning bush under burn1) gas plasma display same as plasma screen (see under plasm). gas poker noun A poker-shaped gas appliance with gas jets, that can be inserted into fuel to kindle a fire gasˈ-retort noun A closed heated chamber in which gas is made gas ring noun A hollow ring with perforations serving as gas jets gas shell noun An artillery shell that gives off a poisonous gas or vapour on bursting gas stove noun An apparatus in which coal gas is used for heating or cooking, a gas cooker gas tank noun
gas tap noun gasˈ-tar noun Coal tar gasˈ-tight adjective Impervious to gas gas trap noun A trap in a drain to prevent escape of foul gas gas turbine noun A machine consisting of a combustion chamber, to which air is supplied by a compressor stage and in which the air is heated at constant pressure, and a turbine driven by the hot expanding gases gasˈ-water noun
gas well noun A boring from which natural gas issues gasˈworks noun A factory where gas is made gas and gaiters Nonsense ideal gas see under ideal natural gas see natural step on the gas
natural /nachˈ(ə-)rəl/adjective
ORIGIN: L nātūrālis, from nātūra nature natˈuralism noun
natˈuralist noun
naturalistˈic adjective Relating to or in accordance with nature, natural history or naturalism naturalistˈically adverb naturalīzāˈtion or naturalīsāˈtion noun natˈuralize or natˈuralise transitive verb
natˈurally adverb
natˈuralness noun natural abundance noun (physics) Same as abundance natural background noun The radiation due to natural radioactivity and to cosmic rays, enhanced by contamination and fallout natˈural-born adjective Native natural childbirth noun Childbirth with as little medical intervention, esp as little anaesthesia, etc as possible, relying on the mother doing special breathing and relaxation exercises natural classification see natural system below. natural cycle IVF noun IVF (qv) in which the woman is allowed to ovulate naturally rather than being given drugs to stimulate ovulation natural death noun Death owing to disease or old age, not violence or accident natural frequency noun
natural gas noun Gases issuing from the earth, whether from natural fissures or bored wells, applied particularly to the hydrocarbon gases associated with the production of petroleum and used as domestic or industrial fuel in place of town gas (see also North Sea gas under north) natural historian noun natural history noun Orig the description of all that is in nature, now used of the sciences that deal with the earth and its productions, ie botany, zoology and mineralogy, esp field zoology natural immunity noun That level of immunity with which a person is born (cf acquired immunity) natural killer cell noun A naturally occurring lymphoid cell which attacks and destroys tumour cells and some virally infected cells in the absence of prior immunization and without evident antigen specificity natural language noun A language which has evolved naturally, opp to artificial language natural law noun
natural logarithm noun One to the base e natural magic see under magic natural numbers plural noun The whole numbers 1, 2, 3 and upwards, sometimes also including 0 natural order noun (in botany) a category now usually called a family natural philosopher noun natural philosophy noun
natural radioactivity noun Radioactivity that is found in nature natural religion see natural theology below. natural resources plural noun Features, properties, etc of the land such as minerals, an abundance of water, timber, etc that occur naturally and can be exploited by human beings natural scale noun A scale of music written without sharps or flats natural science noun The science of nature, as distinguished from mental and moral science and from mathematics natural selection noun Evolution by the survival of the fittest with inheritance of their fitness by the next generation natural system or natural classification noun A classification of plants and animals according to presumed relationship by descent, distinguished in botany from the artificial system of Linnaeus natural theology or natural religion noun Religion derived from reasoned facts, not revelation natural therapy noun Treatment based on the ability of the body to heal itself natural virtues plural noun Those virtues (esp justice, prudence, temperance and fortitude) of which people are capable natural wastage noun (reduction of staff by) non-replacement of those who leave, eg through retirement natural year see under year |
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