chemical


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chemical

any substance used in or resulting from a reaction involving changes to atoms or molecules, especially one derived artificially for practical use

chemical

[′kem·i·kəl]
(chemistry)
Related to the science of chemistry.
A substance characterized by definite molecular composition.
References in classic literature ?
Let us have some fresh blood," he said, digging a long bodkin into his finger, and drawing off the resulting drop of blood in a chemical pipette.
I generally have chemicals about, and occasionally do experiments.
The doctor talked of the social consequences of his chemical inquiries as if he were living in the middle ages.
All the nonsense of narrow-minded people, because he lives a retired life, and is engaged in finding out chemical secrets which the ignorant public don't know how to appreciate.
No chemical assistance was needed or used in this case.
In the intervals of study and chemical experiment he came to her flushed and exhausted, but seemed invigorated by her presence, and spoke in glowing language of the resources of his art.
After hours of absence, Aylmer reappeared and proposed that she should now examine his cabinet of chemical products and natural treasures of the earth.
The chemical changes take place through both direct and indirect suggestion, and we live and thrive.
The secret of this chemical formula is kept by a single race of Mahars.
As he opened the hall door the vile smell of chemicals which had spoilt his breakfast met him with a redoubled virulence.
As we sailed away, after procuring the necessary ingredients of our chemical fuel, the Grubittens lined the shore in silent wonder at the strange sight of our dainty craft dancing over the sparkling waters, and watched us until we were lost to their sight.
De-vyled" ham was made out of the waste ends of smoked beef that were too small to be sliced by the machines; and also tripe, dyed with chemicals so that it would not show white; and trimmings of hams and corned beef; and potatoes, skins and all; and finally the hard cartilaginous gullets of beef, after the tongues had been cut out.