flow

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flow

a measurement of quantity over a specified period of time. Unlike a STOCK, which is not a function of time, a flow measures quantity passing per minute, hour, day or whatever. A common analogy is to a reservoir. The water entering and leaving the reservoir is a flow but the water actually in the reservoir at any one point in time is a stock. INCOME is a flow but WEALTH is a stock.
References in classic literature ?
But if it be asked how it happens that the blood in the veins, flowing in this way continually into the heart, is not exhausted, and why the arteries do not become too full, since all the blood which passes through the heart flows into them, I need only mention in reply what has been written by a physician 1 of England, who has the honor of having broken the ice on this subject, and of having been the first to teach that there are many small passages at the extremities of the arteries, through which the blood received by them from the heart passes into the small branches of the veins, whence it again returns to the heart; so that its course amounts precisely to a perpetual circulation.
But there are many other circumstances which evince that what I have alleged is the true cause of the motion of the blood: thus, in the first place, the difference that is observed between the blood which flows from the veins, and that from the arteries, can only arise from this, that being rarefied, and, as it were, distilled by passing through the heart, it is thinner, and more vivid, and warmer immediately after leaving the heart, in other words, when in the arteries, than it was a short time before passing into either, in other words, when it was in the veins; and if attention be given, it will be found that this difference is very marked only in the neighborhood of the heart; and is not so evident in parts more remote from it.
It is wonderful how rapidly yet perfectly the sand organizes itself as it flows, using the best material its mass affords to form the sharp edges of its channel.
You may melt your metals and cast them into the most beautiful moulds you can; they will never excite me like the forms which this molten earth flows out into.
The Quadling man had to hold the log craft fast while they took their places, and the flow of the river was so powerful that it nearly tore the raft from his hands.
After passing the wall of water the current did not change or flow backward any more but continued to sweep them steadily forward.
24) The conception of Oceanus is here different: he has nine streams which encircle the earth and the flow out into the `main' which appears to be the waste of waters on which, according to early Greek and Hebrew cosmology, the disk-like earth floated.
There were signs of a surface that had shifted often as the rains poured a flow of rich eroded soil from above over the lip of the canon.
said Miss Garth, interrupting the stranger's flow of language, which, all things considered, was beginning, in her opinion, to flow rather freely.
Once more Miss Garth attempted to stem the man's flow of words.
And yet must I learn to approach thee more modestly: far too violently doth my heart still flow towards thee:--
Unwilling to disturb the flow of my comrade's spirits, I managed to stifle the complaints to which I might otherwise have given vent, and calling upon him good-humouredly to speed our banquet, I prepared myself for it by washing in the stream.