| 单词 | quantity |
| 释义 | quantity (once / 114 pages) n Quantity tells you “how much.” If you're concerned with quantity not quality, it's more important how many you have than how good they are. If you get confused about quantity vs. quality, remember that quant is close to count. In Latin, quantus means “how great” or “how much.” When you count how many oranges are in a bowl, you know the quantity. When you count the grains of sand in a desert, you're counting a very large quantity . . . and you need a new hobby. WORD FAMILYquantity: quantities USAGE EXAMPLES“Before it was about large quantities, and small margins. Now it’s the opposite,” he says. Washington Post(Dec 30, 2016) Lucia is the daughter of novelist James, a black hole who swallows both the world’s attention and domestic affection in industrial quantities. The Guardian(Dec 31, 2016) It was not the quantity of Mr. Snowden’s theft but the quality that was most telling. Wall Street Journal(Dec 31, 2016) 1n how much there is or how many there are of something that you can quantify Syn|Exp|Hypo|Hyper amount, measure 6 June 1944 date of the Allied landing in France, World War II Bronze Age(archeology) a period between the Stone and Iron Ages, characterized by the manufacture and use of bronze tools and weapons Iron Age(archeology) the period following the Bronze Age; characterized by rapid spread of iron tools and weapons Stone Age(archeology) the earliest known period of human culture, characterized by the use of stone implements Eolithic Agethe earliest part of the Stone Age marked by the earliest signs of human culture Paleolithic Agesecond part of the Stone Age beginning about 750,00 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC Lower Paleolithicthe oldest part of the Paleolithic Age with the emergence of the hand ax; ended about 120,000 years ago Middle Paleolithicthe time period of Neanderthal man; ended about 35,000 years BC Upper Paleolithicthe time period during which only modern Homo sapiens was known to have existed; ended about 10,000 years BC Epipaleolithicmiddle part of the Stone Age beginning about 15,000 years ago Neolithic Agelatest part of the Stone Age beginning about 10,000 BC in the Middle East (but later elsewhere) Caliphatethe era of Islam's ascendancy from the death of Mohammed until the 13th century; some Moslems still maintain that the Moslem world must always have a calif as head of the community Christian erathe time period beginning with the supposed year of Christ's birth Great Schismthe period from 1378 to 1417 during which there were two papacies in the Roman Catholic Church, one in Rome and one in Avignon Age of Reasona movement in Europe from about 1650 until 1800 that advocated the use of reason and individualism instead of tradition and established doctrine Elizabethan agea period in British history during the reign of Elizabeth I in the 16th century; an age marked by literary achievement and domestic prosperity Victorian agea period in British history during the reign of Queen Victoria in the 19th century; her character and moral standards restored the prestige of the British monarchy but gave the era a prudish reputation Baroque periodthe historic period from about 1600 until 1750 when the baroque style of art, architecture, and music flourished in Europe Middle Agesthe period of history between classical antiquity and the Italian Renaissance Renaissancethe period of European history at the close of the Middle Ages and the rise of the modern world; a cultural rebirth from the 14th through the middle of the 17th centuries Italian Renaissancethe early period when Italy was the center of the Renaissance technological revolutionthe transformation from an agricultural to an industrial nation Reign of Terrorthe historic period (1793-94) during the French Revolution when thousands were executed Harlem Renaissancea period in the 1920s when African-American achievements in art and music and literature flourished New Dealthe historic period (1933-1940) in the United States during which President Franklin Roosevelt's economic policies were implemented Reconstruction Periodthe period after the American Civil War when the southern states were reorganized and reintegrated into the Union; 1865-1877 Restorationthe reign of Charles II in England; 1660-1685 Great Depressiona period during the 1930s when there was a worldwide economic depression and mass unemployment Regencythe period from 1811-1820 when the Prince of Wales was regent during George III's periods of insanity 8 May 1945the date of Allied victory in Europe, World War II 15 August 1945the date of Allied victory over Japan, World War II chance, probability a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible quantum(physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory) economic value, valuethe amount (of money or goods or services) that is considered to be a fair equivalent for something else fundamental measure, fundamental quantityone of the four quantities that are the basis of systems of measurement definite quantitya specific measure of amount indefinite quantityan estimated quantity relative quantitya quantity relative to some purpose metric, system of measurementa system of related measures that facilitates the quantification of some particular characteristic cordagethe amount of wood in an area as measured in cords octane number, octane ratinga measure of the antiknock properties of gasoline magnetisation, magnetizationthe extent or degree to which something is magnetized radical(mathematics) a quantity expressed as the root of another quantity volumethe amount of 3-dimensional space occupied by an object volumea relative amount proofa measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume) time unit, unit of timea unit for measuring time periods point, point in timean instant of time period of play, play, playing period(in games or plays or other performances) the time during which play proceeds interval, time intervala definite length of time marked off by two instants golf hole, holeone playing period (from tee to green) on a golf course temperaturethe degree of hotness or coldness of a body or environment (corresponding to its molecular activity) massthe property of a body that causes it to have weight in a gravitational field conditional probability, contingent probabilitythe probability that an event will occur given that one or more other events have occurred cross section(physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns exceedance(geology) the probability that an earthquake will generate a level of ground motion that exceeds a specified reference level during a given exposure time fair chance, sporting chancea reasonable probability of success fat chance, slim chancelittle or no chance of success joint probabilitythe probability of two events occurring together risk, risk of exposurethe probability of being exposed to an infectious agent risk, risk of infectionthe probability of becoming infected given that exposure to an infectious agent has occurred lengththe linear extent in space from one end to the other; the longest dimension of something that is fixed in place quasiparticlea quantum of energy (in a crystal lattice or other system) that has position and momentum and can in some respects be regarded as a particle criterion, measure, standard, touchstonea basis for comparison; a reference point against which other things can be evaluated mess of pottageanything of trivial value premiumthe amount that something in scarce supply is valued above its nominal value system of weights and measuressystem of measurement for length and weight and duration point systema system of graduating sizes of type in multiples of the point information measurea system of measurement of information based on the probabilities of the events that convey information utility(economics) a measure that is to be maximized in any situation involving choice enough, sufficiencyan adequate quantity; a quantity that is large enough to achieve a purpose N, normality(of a solution) concentration expressed in gram equivalents of solute per liter absolute majority, majority(elections) more than half of the votes plurality, relative majority(in an election with more than 2 options) the number of votes for the candidate or party receiving the greatest number (but less that half of the votes) absolute value, numerical valuea real number regardless of its sign acid value(chemistry) the amount of free acid present in fat as measured by the milligrams of potassium hydroxide needed to neutralize it chlorinitya measure of the quantity of chlorine or other halides in water (especially seawater) numbera concept of quantity involving zero and units quirea quantity of paper; 24 or 25 sheets reama quantity of paper; 480 or 500 sheets; one ream equals 20 quires solubilitythe quantity of a particular substance that can dissolve in a particular solvent (yielding a saturated solution) toxicitythe degree to which something is poisonous unit, unit of measurementany division of quantity accepted as a standard of measurement or exchange magnetic fluxa measure of the strength of a magnetic field over a given area Brix scalea system for measuring the concentration of sugar solutions circular measuremeasurement of angles in radians board measurea system of units for measuring lumber based on the board foot Beaufort scalea scale from 0 to 12 for the force of the wind system of weights, weighta system of units used to express the weight of something aught, cipher, cypher, goose egg, nada, naught, nil, nix, nothing, null, zero, zilch, zip, zippoa quantity of no importance addition, gain, increasea quantity that is added bagthe quantity of game taken in a particular period (usually by one person) breakagethe quantity broken capacity(computer science) the amount of information (in bytes) that can be stored on a disk drive catch, haulthe quantity that was caught correction, fudge factora quantity that is added or subtracted in order to increase the accuracy of a scientific measure containerfulthe quantity that a container will hold footstep, pace, step, stridethe distance covered by a step headspacethe volume left at the top of a filled container (bottle or jar or tin) before sealing large indefinite amount, large indefinite quantityan indefinite quantity that is above the average in size or magnitude limit, limitationthe greatest amount of something that is possible or allowed limit, limit point, point of accumulationthe mathematical value toward which a function goes as the independent variable approaches infinity output, production, yieldthe quantity of something (as a commodity) that is created (usually within a given period of time) neighborhood, regionthe approximate amount of something (usually used prepositionally as in `in the region of') outagethe amount of something (as whiskey or oil) lost in storage or transportation reserve(medicine) potential capacity to respond in order to maintain vital functions runthe production achieved during a continuous period of operation (of a machine or factory etc.) small indefinite amount, small indefinite quantityan indefinite quantity that is below average size or magnitude spillagethe amount that has spilled spoilagethe amount that has spoiled tankagethe quantity contained in (or the capacity of) a tank or tanks ullagethe amount that a container (as a wine bottle or tank) lacks of being full top-upan amount needed to restore something to its former level worthan indefinite quantity of something having a specified value skinfula quantity of alcoholic drink sufficient to make you drunk dosage, dosethe quantity of an active agent (substance or radiation) taken in or absorbed at any one time loadan amount of alcohol sufficient to intoxicate load, loadinga quantity that can be processed or transported at one time precipitationthe quantity of water falling to earth at a specific place within a specified period of time supplyan amount of something available for use capacity, contentthe amount that can be contained temperature scalea system of measuring temperature period, period of time, time periodan amount of time 24-hour interval, day, mean solar day, solar day, twenty-four hour period, twenty-four hourstime for Earth to make a complete rotation on its axis nightthe dark part of the diurnal cycle considered a time unit mean solar time, mean time(astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator) TDT, TT, ephemeris time, terrestrial dynamical time, terrestrial time(astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions access time(computer science) the interval between the time data is requested by the system and the time the data is provided by the drive distance, spacethe interval between two times distancea remote point in time embolism, intercalationan insertion into a calendar date, particular datea particular but unspecified point in time deadlinethe point in time at which something must be completed arrival time, time of arrivalthe time at which a public conveyance is scheduled to arrive at a given destination departure time, time of departurethe time at which a public conveyance is scheduled to depart from a given point of origin montha time unit of approximately 30 days day, sidereal daythe time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day midtermmiddle of an academic term or a political term in office full term, termthe end of gestation or point at which birth is imminent midtermthe middle of the gestation period bell, ship's bell(nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell; eight bells signals 4:00, 8:00, or 12:00 o'clock, either a.m. or p.m. 60 minutes, hour, hra period of time equal to 1/24th of a day 30 minutes, half-houra half of an hour 15 minutes, quarter-houra quarter of an hour min, minutea unit of time equal to 60 seconds or 1/60th of an hour quartera unit of time equal to 15 minutes or a quarter of an hour s, sec, second1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites attosecondone quintillionth (10^-18) of a second; one thousandth of a femtosecond femtosecondone quadrillionth (10^-15) of a second; one thousandth of a picosecond picosecondone trillionth (10^-12) of a second; one thousandth of a nanosecond nanosecondone billionth (10^-9) of a second; one thousandth of a microsecond microsecondone millionth (10^-6) of a second; one thousandth of a millisecond millisecond, msecone thousandth (10^-3) of a second instant, minute, moment, seconda particular point in time seta unit of play in tennis or squash run-timethe time at which a (software or multimedia) program is run beginning, commencement, first, get-go, kickoff, offset, outset, showtime, start, starting timethe time at which something is supposed to begin middletime between the beginning and the end of a temporal period end, endingthe point in time at which something ends seek time(computer science) the time it takes for a read/write head to move to a specific data track time constant(electronics) the time required for the current or voltage in a circuit to rise or fall exponentially through approximately 63 per cent of its amplitude slot, time slota time assigned on a schedule or agenda lunitidal intervalinterval between the moon's transit of a particular meridian and the next high tide at that meridian absencethe time interval during which something or somebody is away break, intermission, interruption, pause, suspensiona time interval during which there is a temporary cessation of something interludean intervening period or episode interim, lag, meantime, meanwhilethe time between one event, process, or period and another latent periodthe time that elapses before the presence of a disease is manifested by symptoms latency, latent period, reaction time, response timethe time that elapses between a stimulus and the response to it eternitya seemingly endless time interval (waiting) cycle, rhythm, roundan interval during which a recurring sequence of events occurs lead timethe time interval between the initiation and the completion of a production process periodthe interval taken to complete one cycle of a regularly repeating phenomenon phase, phase anglea particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle floatthe time interval between the deposit of a check in a bank and its payment show timethe point in time at which an entertainment (a movie or television show etc.) is scheduled to begin thenthat time; that moment latency, rotational latency(computer science) the time it takes for a specific block of data on a data track to rotate around to the read/write head processing timethe time it takes to complete a prescribed procedure abstract entity, abstraction a general concept formed by extracting common features from specific examples 2n the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable Hypo|Hyper quantum a discrete amount of something that is analogous to the quantities in quantum theory termany distinct quantity contained in a polynomial numerical quantitya quantity expressed as a number operanda quantity upon which a mathematical operation is performed variable, variable quantitya quantity that can assume any of a set of values constant, constant quantity, invariablea quantity that does not vary parametera quantity (such as the mean or variance) that characterizes a statistical population and that can be estimated by calculations from sample data mathematical product, producta quantity obtained by multiplication amount, sum, totala quantity obtained by the addition of a group of numbers proportionalone of the quantities in a mathematical proportion binomial(mathematics) a quantity expressed as a sum or difference of two terms; a polynomial with two terms zero, zero pointthe point on a scale from which positive or negative numerical quantities can be measured valuea numerical quantity measured or assigned or computed vote, voter turnoutthe total number of voters who participated argumenta variable in a logical or mathematical expression whose value determines the dependent variable; if f(x)=y, x is the independent variable experimental variable, independent variable(statistics) a variable whose values are independent of changes in the values of other variables correlate, correlativeeither of two or more related or complementary variables degree of freedom(statistics) an unrestricted variable in a frequency distribution dependent variable(statistics) a variable in a logical or mathematical expression whose value depends on the independent variable parameter, parametric quantitya constant in the equation of a curve that can be varied to yield a family of similar curves factorialthe product of all the integers up to and including a given integer multiplethe product of a quantity by an integer grand totalthe sum of the sums of several groups of numbers subtotalthe sum of part of a group of numbers predictor variablea variable that can be used to predict the value of another variable (as in statistical regression) infinitesimal(mathematics) a variable that has zero as its limit chance variable, random variable, stochastic variable, variant, variatea variable quantity that is random scalara variable quantity that cannot be resolved into components tensora generalization of the concept of a vector vectora variable quantity that can be resolved into components concept, conception, construct an abstract or general idea inferred or derived from specific instances 3n an adequate or large amount he had a quantity of ammunition Hypo|Hyper abundance, copiousness, teemingness the property of a more than adequate quantity or supply amplitude, bountifulness, bountythe property of copious abundance plenitude, plenteousness, plentifulness, plentitude, plentya full supply cornucopia, profuseness, profusion, richnessthe property of being extremely abundant wealththe quality of profuse abundance lushness, luxuriance, voluptuousnessthe property of being lush and abundant and a pleasure to the senses overabundance, overmuch, overmuchness, superabundancea quantity that is more than what is appropriate amount the relative magnitude of something with reference to a criterion |
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