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Chemical Definition & Meaning - Merriam-Webster
chemical: [adjective] of, relating to, used in, or produced by chemistry or the phenomena of chemistry.
Chemical Definition & Meaning | Dictionary.com
Chemical definition, a substance produced by or used in a chemical process. See more.
What is a Chemical ? | NRC.gov
A chemical is any substance that has a defined composition. In other words, a chemical is always made up of the same "stuff." Some chemicals occur in nature, such as water. Other chemicals are manufactured, such as chlorine (used for bleaching fabrics or in swimming pools). Chemicals are all around you: the food you eat, the clothes you wear.
Chemical - definition of chemical by The Free Dictionary
Define chemical. chemical synonyms, chemical pronunciation, chemical translation, English dictionary definition of chemical. adj. 1. Of or relating to chemistry. 2 ...
What Is and Is Not a Chemical? - ThoughtCo
Updated on December 07, 2019. A chemical is any substance consisting of matter. This includes any liquid, solid, or gas. A chemical is any pure substance (an element) or any mixture (a solution, compound, or gas). They can either occur naturally or can be created artificially.
Chemical compound | Definition, Examples, & Types | Britannica
chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements. water molecule. 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. A sample of any given pure element is ...
Chemical element | Definition, Origins, Distribution, & Facts
chemical element, also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the origin of the elements and their abundances throughout the universe. The geochemical distribution of these elementary substances in the Earth’s crust and ...
Chemical substance - Wikipedia
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.
Hazardous Waste Disposal San Diego California - HWH Environmental
Types of waste Include Lab Packs, chemical waste, used oil disposal, used paint disposal and other forms of waste disposal, removal and transport. HWH Environmental specializes in providing fast, affordable hazardous waste disposal and non-hazardous waste disposal services in San Diego California.
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.
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