
What Is a Chemical? Definition and Examples - Science Notes and …
Oct 15, 2023 · A chemical is a substance with a specific composition. It is an element, an alloy, or a compound made up of two or more elements combined in a fixed ratio. For instance, water …
Chemical substance - Wikipedia
A chemical substance is a unique form of matter with constant chemical composition and characteristic properties. [1] [2] Chemical substances may take the form of a single element or …
PubChem
PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and …
What Is a Chemical and What Isn't a Chemical? - ThoughtCo
Dec 7, 2019 · A chemical is any substance that is made of matter, like solids, liquids, or gases. Light, heat, and sound are not chemicals since they are not made of matter. Chemicals can be …
CHEMICAL | English meaning - Cambridge Dictionary
CHEMICAL definition: 1. any basic substance that is used in or produced by a reaction involving changes to atoms or…. Learn more.
Chemical Definition & Meaning | Britannica Dictionary
CHEMICAL meaning: 1 : of or relating to chemistry; 2 : working by means of chemicals
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.
Chemical - definition of chemical by The Free Dictionary
1. a substance produced by or used in chemistry. 2. chemicals, Slang. narcotic or mind-altering drugs or substances. 3. of, used in, produced by, or concerned with chemistry or chemicals: a …
Chemical Database - ChemSynthesis
Dec 24, 2024 · ChemSynthesis is a freely accessible database of chemicals. This website contains substances with their synthesis references and physical properties such as melting …
CHEMICAL definition and meaning | Collins English Dictionary
Chemical means involving or resulting from a reaction between two or more substances, or relating to the substances that something consists of.