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


from The American Heritage® Dictionary of the English Language, 4th Edition

Obsolete chimical, from chimic, alchemist, from New Latin chimicus, from Medieval Latin alchimicus, from alchymia, alchemy; see alchemy.

from Wiktionary, Creative Commons Attribution/Share-Alike License

chemic (“alchemy”) +‎ -al (“related to”)


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