A chemical compound is a chemical substance that is composed of a particular set of atoms or ions. Two or more elements combined into one substance through a chemical reaction form a …

Search and explore chemical information in the world's largest free chemistry database. Search chemicals by name, molecular formula, structure, and other identifiers.

CHEMICAL definition: 1. any basic substance that is used in or produced by a reaction involving changes to atoms or…. Learn more.

The meaning of CHEMICAL is of, relating to, used in, or produced by chemistry or the phenomena of chemistry. How to use chemical in a sentence.

Oct 15, 2023 · Learn what a chemical is. Get the chemical definition and examples and explore the importance of these substances in everyday life.

A substance having a specific molecular composition, obtained by or used in a chemical process.

Chemical changes are different from physical changes, which don't result in a change in substances. One example of a physical change is when water freezes into ice.

Chemical means involving or resulting from a reaction between two or more substances, or relating to the substances that something consists of. ...chemical reactions that cause ozone …

Relating to or produced by means of chemistry: a chemical discovery; a chemical change.

Definition of chemical noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.