from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to chemistry.
- adj. Of or relating to the properties or actions of chemicals.
- n. A substance with a distinct molecular composition that is produced by or used in a chemical process.
- n. A drug, especially an illicit or addictive one.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or relating to alchemy.
- adj. Of or relating to chemistry.
- n. Any specific chemical element or chemical compound.
- n. An artificial chemical compound.
- n. An addictive drug.
from the GNU version of the Collaborative International Dictionary of English
- adj. Pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry.
- n. A substance used for producing a chemical effect; a reagent.
from The Century Dictionary and Cyclopedia
- Pertaining to chemistry: as, a chemical experiment.
- Pertaining to the phenomena with which chemistry deals and to the laws by which they are regulated; accordant with the laws of chemistry.
- Also chemic.
- CaCl2 + Na2CO3 = CaCO3 + 2NaCl.
- This is a true equation in the algebraic sense, because the value of the two members is the same. Since matter is indestructible, nothing is lost in the reaction, and the weights of calcium chlorid and sodium carbonate which reacted must be precisely the same as the combined weights of the resultant calcium carbonate and sodium chlorid.
- n. A substance produced by a chemical process; a chemical agent prepared for scientific or economic use: as, the manufacture of chemicals.
- Versed in chemistry; engaged in the study of chemistry or in chemical research or investigation: as, a chemical philosopher; a chemical friend.
- Of or pertaining to alchemy or alchemists. Also chymical.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of or made from or using substances produced by or used in reactions involving atomic or molecular changes
- n. material produced by or used in a reaction involving changes in atoms or molecules
- adj. relating to or used in chemistry
In a second experiment, the HML team mimicked a chemical pollutant challenge by injecting blue crabs with a chemical** known to inhibit oxidative phosphorylation, a metabolic process that manufactures energy.
The term chemical was used by the Lebanese Association for Human Rights. text was changed per Mirvat's request
By the term chemical properties we have reference to the chemical composition of the soil, the chemical changes which take place in the soil, and the conditions which influence these changes.
Since the system will probably never change, so that we learn all of these effects before a chemical is allowed into use, we have to be vigilent in studying the effects after said chemical is introduced into the environment.
The qualification of the chemical is theirs, not mine.
Most of people, though, that I've spoken with -- and I spoke to a couple friends this morning on the phone -- say it's absolutely ridiculous that he would have put himself through what I described as chemical torture -- Soledad.
Scientists studied the air a mile away from the site and found what they called a chemical factory.
Through the industrialist and a retired British defence force officer, he came into contact with what he called the chemical and biological warfare mafia.
It some such fashion the periodic strokes of the smaller ether waves accumulate, till the atoms on which their timed impulses impinge are jerked asunder, and what we call chemical decomposition ensues.
That mysterious property in matter which we call chemical affinity, a property beside which human affinities and passions are tame and inconstant affairs, is the architect of the universe.