Bases


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Related to Bases: Acids and Bases

Bases

 

chemical compounds that contain a hydroxyl (OH) group and dissociate in an aqueous solution to form hydroxylions, OH. Bases are classified as weak (for example, NH4OH) and strong [NaOH or Ca(OH)2] according to their degree of dissociation. Freely water-soluble bases are called alkalies.

References in classic literature ?
At length we stood against the giant tree that we had chosen for our ascent, and then, as charge after charge hurled its weight upon us, we gave back again and again, until we had been forced half-way around the huge base of the colossal trunk.
Here is shelter for one at least, John Carter," he said, and, glancing down, I saw an opening in the base of the tree about three feet in diameter.
I was just about to clamber along the jagged rocks which lie at the base of the cliff next to the sea, in search of some foothold to the top, when I chanced to see a canoe rounding the end of the island.
But when I turned to the accomplishment of the task I found it easier than I had imagined it would be, since I immediately discovered that shallow hand and foot-holds had been scooped in the cliff's rocky face, forming a crude ladder from the base to the summit.
From my ledge to the base of the cliff is a matter of several thousand feet of dangerous climbing; yet I venture to say that the first ape from whose loins my line has descended never could have equaled the speed with which I literally dropped down the face of that rugged escarpment.
she cried, and ran eagerly toward the base of the cliff.
With her means of protection gone, Lys was now at the mercy of the hatchet-man; nor was it many hours before he had caught her at the base of the cliff and seized her; but as he bore her triumphantly aloft toward his cave, she had managed to break loose and escape him.
Thus, powerful fireworks, taking their starting-point from the base and bursting outside, could, by producing a recoil, check to a certain degree the projectile's speed.
Barbicane had accordingly supplied himself with these fireworks, enclosed in little steel guns, which could be screwed on to the base of the projectile.
Under the centripetal force, the base of the projectile tended toward the moon; but the centrifugal still prevailed; and it was probable that its rectilineal course would be changed to a curve of some sort, the nature of which they could not at present determine.
If you have not sense sufficient to restrain such monstrous inclinations, I thought the pride of our family would have prevented you from giving the least encouragement to so base an affection; much less did I imagine you would ever have had the assurance to own it to my face.
Bill Thomas, R-Bakersfield, whose district includes the two bases.