| 单词 | length |
| 释义 | length (once / 42 pages) n Length is a measurement of how long something is in time or space. You can measure the length of a table or the length of a movie. If an object has multiple distances to be measured (like a rectangle for example), then length is taken to be the longest of the measurements (as opposed to the width, in the case of the rectangle). Before babies learn to walk, they are measured for length, but once they begin to stand reliably the same measurement changes names, and become height. WORD FAMILYlength: lengthen, lengths, lengthy+/lengthen: lengthened, lengthening, lengthens/lengthening: lengthenings/lengthy: lengthier, lengthiest, lengthily, lengthiness/long: length, longed, longer, longest, longing, longingly, longish, longly, longness, longs/longest: longests/longing: longings USAGE EXAMPLESThe city once imagined the Second Avenue subway running nearly the length of Manhattan, and possibly even into the Bronx. New York Times(Jan 01, 2017) The average length of displacement is just over 10 years and for those displaced by conflict, the figure rises to 17 years. The Guardian(Dec 31, 2016) The hikes vary in length and will be led by professional guides and outdoor educators. Washington Times(Dec 31, 2016) 1n the linear extent in space from one end to the other; the longest dimension of something that is fixed in place the length of the table was 5 feet Hypo|Hyper circumference the length of the closed curve of a circle diam, diameterthe length of a straight line passing through the center of a circle and connecting two points on the circumference r, radiusthe length of a line segment between the center and circumference of a circle or sphere longnessthe property of being of long spatial extent shortnessthe property of being of short spatial extent semidiameterthe apparent radius of a celestial body when viewed as a disc from the earth radius of curvaturethe radius of the circle of curvature; the absolute value of the reciprocal of the curvature of a curve at a given point bore, caliber, calibre, gaugediameter of a tube or gun barrel windagethe space between the projectile of a smoothbore gun and the surface of the bore of the gun extension, lengthiness, prolongationamount or degree or range to which something extends elongationthe quality of being elongated physical property any property used to characterize matter and energy and their interactions dimensionthe magnitude of something in a particular direction (especially length or width or height) fundamental measure, fundamental quantityone of the four quantities that are the basis of systems of measurement 2n size of the gap between two places he determined the length of the shortest line segment joining the two points Syn|Hypo|Hyper distance leg (nautical) the distance traveled by a sailing vessel on a single tack arm's lengtha distance sufficient to exclude intimacy gaugethe distance between the rails of a railway or between the wheels of a train light timedistance measured in terms of the speed of light (or radio waves) skip distancethe shortest distance that permits radio signals (of a given frequency) to travel from the transmitter to the receiver by reflection from the ionosphere wingspan, wingspreadlinear distance between the extremities of an airfoil wingspreaddistance between the tips of the wings (as of a bird or insect) when fully extended altitudethe perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel) broad gaugea railroad track (or its width) broader than the standard 56.5 inches narrow gaugea railroad track (or its width) narrower than the standard 56.5 inches standard gaugerailroad track having the standard width of 56.5 inches size the physical magnitude of something (how big it is) 3n a section of something that is long and narrow a length of timber a length of tubing Hyper section, segment one of several parts or pieces that fit with others to constitute a whole object 4n continuance in time he complained about the length of time required Syn|Hypo|Hyper duration longness duration as an extension continuation, lengthiness, prolongation, protractionthe consequence of being lengthened in duration endlessnessthe property of being (or seeming to be) without end shortnessthe property of being of short temporal extent brevity, briefness, transiencethe attribute of being brief or fleeting permanence, permanencythe property of being able to exist for an indefinite duration impermanence, impermanencythe property of not existing for indefinitely long durations length of service, longevityduration of service fermata(music) a prolongation of unspecified length on a note or chord or rest ceaselessness, continuousness, incessancy, incessantnessthe quality of something that continues without end or interruption perpetuity, sempiternitythe property of being perpetual (seemingly ceaseless) durability, enduringness, lastingness, strengthpermanence by virtue of the power to resist stress or force imperishability, imperishableness, imperishingnessthe property of being resistant to decay perdurabilitythe property of being extremely durable temporarinessthe property of lasting only a short time transience, transiency, transitorinessan impermanence that suggests the inevitability of ending or dying mortalitythe quality or state of being mortal immortalitythe quality or state of being immortal curtailmentthe temporal property of being cut short briefnessthe temporal property of being very short temporal property a property relating to time 5n the property of being the extent of something from beginning to end the editor limited the length of my article to 500 words Hyper extent the distance or area or volume over which something extends |
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