chemical substance

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Related to chemical: chemical pregnancy, chemical peel
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References in classic literature ?
Near the further end a low arched passage branched away from it and led to the chemical laboratory.
Since I gave up practice as a physician, I have engaged in chemical investigations on a large scale, destined I hope, to lead to some important public results.
It has been assumed that I used my vast chemical resources against Anne Catherick, and that I would have used them if I could against the magnificent Marian herself.
And Aylmer, excluding the sunshine, which would have interfered with his chemical processes, had supplied its place with perfumed lamps, emitting flames of various hue, but all uniting in a soft, impurpled radiance.
It was hot and stifling work, but at last I reached a point where the fire lit up the corridor sufficiently for me to see that no soldier of Helium lay between me and the conflagration--what was in it or upon the far side I could not know, nor could any man have passed through that seething hell of chemicals and lived to learn.
(Poor Whisky Bob!--without viciousness, good- natured, generous, born weak, raised poorly, with an irresistible chemical demand for alcohol, still prosecuting his vocation of bay pirate, his body was picked up, not long afterward, beside a dock where it had sunk full of gunshot wounds.) Within an hour after I had rejected Captain Spink's proposal, I saw him sail down the estuary on board the Reindeer with Nelson.
"The food that one eats is supposed to undergo certain chemical changes during the process of digestion and assimilation, the result, of course, being the rebuilding of wasted tissue.
Finally a certain female scientist announced the fact that she had discovered a method whereby eggs might be fertilized by chemical means after they were laid--all true reptiles, you know, are hatched from eggs.
"But I do think it would be better if you did your chemical experiments a little later in the day."
It was also equally impossible to obtain the necessary ingredients for our chemical fuel, and, as we had very little left aboard, we determined to step our folding mast and proceed under sail, hoarding our fuel supply for use in emergencies.
The grease and chemicals that are poured into it undergo all sorts of strange transformations, which are the cause of its name; it is constantly in motion, as if huge fish were feeding in it, or great leviathans disporting themselves in its depths.
The Baron's furnaces and retorts, and other things, were all there to speak for themselves, together with some packages of chemicals, having the name and address of the person who had supplied them plainly visible on their labels.