bottom


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bottom

1. Nautical touch bottom to run aground
2. Nautical the parts of a vessel's hull that are under water
3. (in literary or commercial contexts) a boat or ship
4. Billiards Snooker a strike in the centre of the cue ball
5. a dry valley or hollow
6. US and Canadian the low land bordering a river

bottom

[′bäd·əm]
(computer science)
The termination of a file.
(geology)
The bed of a body of running or still water.
(particle physics)
The new quantum number associated with the bottom quark. Also known as beauty.

Bottom

under spell, grows ass’s head. [Br. Lit.: A Midsummer Night’s Dream]

bottom

(theory)
The least defined element in a given domain.

Often used to represent a non-terminating computation.

(In LaTeX, bottom is written as \perp, sometimes with the domain as a subscript).
References in classic literature ?
He handed the pepper-box to Tip, who had no difficulty in unscrewing the bottom.
Not once had his eyes rested upon her since that moment at the river's brim his hand had closed upon the rope attached to the bow of her dugout and he had believed her safely in his power again, only to be thwarted an instant later as the girl snatched up a heavy express rifle from the bottom of the craft and levelled it full at his breast.
Aching eyes scanned the horizon day and night until the weak and weary watchers would sink exhausted to the bottom of the boat, and there wrest in dream-disturbed slumber a moment's respite from the horrors of the waking reality.
Keeping a short rope to the anchor, so that it barely touched the bottom, we dragged it slowly along until it stuck and the boat fetched up hard and fast.
The face of the rider, turned slightly away, showed only an outline of temple and beard; he was looking downward to the bottom of the valley.
world-- everything to a dead world, where avalanches, rolling from the summits of the mountains, would disperse noiselessly at the bottom of the abyss, retaining the motion, but wanting the sound.
From the great wave not immediately following the earthquake, but sometimes after the interval of even half an hour, and from distant islands being affected similarly with the coasts near the focus of the disturbance, it appears that the wave first rises in the offing; and as this is of general occurrence, the cause must be general: I suspect we must look to the line, where the less disturbed waters of the deep ocean join the water nearer the coast, which has partaken of the movements of the land, as the place where the great wave is first generated; it would also appear that the wave is larger or smaller, according to the extent of shoal water which has been agitated together with the bottom on which it rested.
This is that portion, also, where in the spring, the ice being warmed by the heat of the sun reflected from the bottom, and also transmitted through the earth, melts first and forms a narrow canal about the still frozen middle.
It stood on the south-east side of a hill, but nearer the bottom than the top of it, so as to be sheltered from the north-east by a grove of old oaks which rose above it in a gradual ascent of near half a mile, and yet high enough to enjoy a most charming prospect of the valley beneath.
And there they are, calling and calling at the bottom of the sea - my three boys and my man.
When Louisa had arrived at the bottom and disappeared in the gulf, it might fall in upon her if it would; but, until then, there it was to be, a Building, before Mrs.
Twelve years had passed since his body had been found upon the bluff before his cottage overlooking the Hudson, and oft-times during these long years I had wondered if John Carter were really dead, or if he again roamed the dead sea bottoms of that dying planet; if he had returned to Barsoom to find that he had opened the frowning portals of the mighty atmosphere plant in time to save the countless millions who were dying of asphyxiation on that far-gone day that had seen him hurtled ruthlessly through forty-eight million miles of space back to Earth once more.