Definition: length of time something lasts
Definition: length of time something lasts
Sentences Containing 'duration'
The Doctor, in a low voice, asked,``Of how long duration?''
It has been most unconsciously done, however, and I hope will be of short duration.
``She is happy then,''said her father drily;``and her residence there will probably be of some duration.''
A severe cold of a few days duration in March may very much retard the opening of the former ponds, while the temperature of Walden increases almost uninterruptedly.
It must do this too in a reasonable time, regard being had to the very uncertain duration of human life, in the same manner as to the more certain duration of the machine.
All this, however, could afford but a poor resource for maintaining a foreign war, of great expense, and several years duration.
Mr Hume frequently takes notice of the inability of the ancient kings of England to carry on, without interruption, any foreign war of long duration.
In every period of its duration its whole capital and industry might still have been employed, though upon different objects, in the manner that was most advantageous at the time.
Upon the power which the greater part of the leading men, the natural aristocracy of every country, have of preserving or defending their respective importance, depends the stability and duration of every system of free government.
Those, on the contrary, during which that ability was in the highest vigour would be of much longer duration than they can well be under the system of funding.
That then which is longest of duration, and that which is shortest, come both to one effect.
And secondly, that that life which any the longest liver, or the shortest liver parts with, is for length and duration the very same, for that only which is present, is that, which either of them can lose, as being that only which they have; for that which he hath not, no man can truly be said to lose.
Whatsoever is material, doth soon vanish away into the common substance of the whole; and whatsoever is formal, or, whatsoever doth animate that which is material, is soon resumed into the common reason of the whole; and the fame and memory of anything, is soon swallowed up by the general age and duration of the whole.
From whence also it is, that accord ing to the worth of everything, she doth make such equal distribution of all things, as of duration, substance form, operation, and of events and accidents.
And how all things particular in respect of these are for their substance, as one of the least seeds that is: and for their duration, as the turning of the pestle in the mortar once about.
Nevertheless, so profound is our ignorance, and so high our presumption, that we marvel when we hear of the extinction of an organic being; and as we do not see the cause, we invoke cataclysms to desolate the world, or invent laws on the duration of the forms of life!
Not that it suffices to study the Principles of Geology, or to read special treatises by different observers on separate formations, and to mark how each author attempts to give an inadequate idea of the duration of each formation, or even of each stratum.
Therefore a man should examine for himself the great piles of superimposed strata, and watch the rivulets bringing down mud, and the waves wearing away the sea-cliffs, in order to comprehend something about the duration of past time, the monuments of which we see all around us.
Nothing impresses the mind with the vast duration of time, according to our ideas of time, more forcibly than the conviction thus gained that subaerial agencies, which apparently have so little power, and which seem to work so slowly, have produced great results.
I am aware that two palaeontologists, whose opinions are worthy of much deference, namely Bronn and Woodward, have concluded that the average duration of each formation is twice or thrice as long as the average duration of specific forms.
And in the distant future, a geologist, examining these beds, would be tempted to conclude that the average duration of life of the embedded fossils had been less than that of the glacial period, instead of having been really far greater, that is, extending from before the glacial epoch to the present day.
Some authors have even supposed that, as the individual has a definite length of life, so have species a definite duration.
I have given my reasons for believing that most of our great formations, rich in fossils, were deposited during periods of subsidence; and that blank intervals of vast duration, as far as fossils are concerned, occurred during the periods when the bed of the sea was either stationary or rising, and likewise when sediment was not thrown down quickly enough to embed and preserve organic remains.
Most formations have been intermittent in their accumulation; and their duration has probably been shorter than the average duration of specific forms.
With respect to the lapse of time not having been sufficient since our planet was consolidated for the assumed amount of organic change, and this objection, as urged by Sir William Thompson, is probably one of the gravest as yet advanced, I can only say, firstly, that we do not know at what rate species change, as measured by years, and secondly, that many philosophers are not as yet willing to admit that we know enough of the constitution of the universe and of the interior of our globe to speculate with safety on its past duration.
The belief that species were immutable productions was almost unavoidable as long as the history of the world was thought to be of short duration; and now that we have acquired some idea of the lapse of time, we are too apt to assume, without proof, that the geological record is so perfect that it would have afforded us plain evidence of the mutation of species, if they had undergone mutation.
The accumulation of each great fossiliferous formation will be recognised as having depended on an unusual occurrence of favourable circumstances, and the blank intervals between the successive stages as having been of vast duration.
But we shall be able to gauge with some security the duration of these intervals by a comparison of the preceding and succeeding organic forms.
Thus saith Cide Hamete the Mahometan philosopher; for there are many that by the light of nature alone, without the light of faith, have a comprehension of the fleeting nature and instability of this present life and the endless duration of that eternal life we hope for; but our author is here speaking of the rapidity with which Sancho's government came to an end, melted away, disappeared, vanished as it were in smoke and shadow.
After a single combat of some duration they returned, and I saw, to my joy, both in Mrs. Crupp's countenance and in my aunt's, that the deed was done.
Agnes laughed again at her own penetration, and told me that if I were faithful to her in my confidence she thought she should keep a little register of my violent attachments, with the date, duration, and termination of each, like the table of the reigns of the kings and queens, in the History of England.
'Clearly,' the Time Traveller proceeded, 'any real body must have extension in _four_ directions: it must have Length, Breadth, Thickness, and--Duration.
'Not that her happiness was of long duration,' pursued Traddles, 'for, unfortunately, within a week another execution came in.
Whenever she was particularly discomposed, she always performed one of these pedestrian feats; and the amount of her discomposure might always be estimated by the duration of her walk.
More Vocab Words::: whine - complain (in a sad voice); make a high sad sound (as in pain or supplication)
::: fractious - unruly; peevish; cranky; bad-tempered; Ex. fractious horse
::: sartorial - pertaining to tailors or tailoring; Ex. a man of great sartorial elegance; CF. sartor: tailor
::: veracity - truthfulness; adherence to the truth
::: melee - fight
::: preempt - prevent in advance; head off(forestall); forestall by acting first; appropriate for oneself before others; supplant; take the place of; displace; Ex. preempt any attempts; ADJ. preemptive
::: alchemy - medieval chemistry
::: amphibian - able to live both on land and in water; N.
::: exiguous - small in amount; minute
::: touchstone - stone used to test the fineness of gold alloys; criterion; standard