• Chemical | Definition of Chemical at Dictionary.com

    www.dictionary.com/browse/chemical Chemical definition, a substance produced by or used in a chemical process. See more.
  • Chemical | Definition of Chemical by Merriam-Webster

    www.merriam-webster.com/dictionary/chemical Chemical definition is - of, relating to, used in, or produced by chemistry or the phenomena of chemistry. How to use chemical in a sentence.
  • Chemical - definition of chemical by The Free Dictionary

    www.thefreedictionary.com/chemical Define chemical. chemical synonyms, chemical pronunciation, chemical translation, English dictionary definition of chemical. adj. 1. Of or relating to chemistry. 2. Of or relating to the properties or actions of chemicals. 3. Of or relating to chemical weapons: chemical warfare....
  • Chemical substance - Wikipedia

    en.wikipedia.org/wiki/Chemical A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds. Chemical substances can be simple substances, chemical compounds, or alloys. ...
  • CHEMICAL | meaning in the Cambridge English Dictionary

    dictionary.cambridge.org/dictionary/english/chemical chemical definition: 1. any basic substance that is used in or produced by a reaction involving changes to atoms or…. Learn more.
  • chemical - English-Spanish Dictionary - WordReference.com

    www.wordreference.com/es/translation.asp chemical n noun: Refers to person, place, thing, quality, etc. (substance) sustancia química nf + adj : producto químico nm + adj : Chlorine is a harmful chemical. El cloro es una sustancia química nociva. chemical adj adjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house." (relating to ...
  • chemical reaction | Definition, Equations, Examples ...

    www.britannica.com/science/chemical-reaction Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.
  • chemical compound | Definition, Examples, & Types | Britannica

    www.britannica.com/science/chemical-compound Chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements. All the matter in the universe is composed of the atoms of more than 100 different chemical elements, which are found both in pure form and combined in chemical compounds.
  • Chemical change | Definition of Chemical change at ...

    www.dictionary.com/browse/chemical-change Chemical change definition, a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance: The formation of rust on iron is a chemical change. See more.
  • What Is a Chemical Pregnancy: Early Miscarriage

    www.healthline.com/health/pregnancy/chemical-pregnancy Chemical pregnancy facts. A chemical pregnancy is an early pregnancy loss that occurs shortly after implantation. Chemical pregnancies may account for 50 to 75 percent of all miscarriages.