Chemical substance - Wikipedia
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 …
What is a Chemical ? | Nuclear Regulatory Commission - NRC
The Nuclear Regulatory Commission's Science 101: What is a Chemical? A chemical is any substance that has a defined composition. In other words, a chemical is always made up of …
PubChem
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 & Meaning - Merriam-Webster
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.
What Is a Chemical? Definition and Examples
Oct 15, 2023 · Learn what a chemical is. Get the chemical definition and examples and explore the importance of these substances in everyday life.
Chemical Definition & Meaning | Britannica Dictionary
CHEMICAL meaning: 1 : of or relating to chemistry; 2 : working by means of chemicals
CHEMICAL | definition in the Cambridge English Dictionary
CHEMICAL meaning: 1. any basic substance that is used in or produced by a reaction involving changes to atoms or…. Learn more.