Search results
Results from the WOW.Com Content Network
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 (H 2 O) is a chemical because it consists of hydrogen and oxygen combined in a 2:1 ratio.
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: 1. any basic substance that is used in or produced by a reaction involving changes to atoms or…. Learn more.
Anything consisting of matter is a chemical. Any liquid, solid, gas. A chemical includes any pure substance; any mixture. Because this definition of a chemical is so broad, most people consider a pure substance (element or compound) to be a chemical, particularly if it is prepared in a laboratory.
chemistry, the science that deals with the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes.
Chemistry is the study of matter and its interactions with other matter and energy. Matter is anything that has mass and takes up space. Matter can be described in terms of physical properties and chemical properties. Physical properties and chemical properties of matter can change.
1. any substance used in or resulting from a reaction involving changes to atoms or molecules, esp one derived artificially for practical use. adjective. 2. of or used in chemistry. chemical balance. 3. of, made from, or using chemicals. chemical fertilizer.
Chemical definition: a substance produced by or used in a chemical process.. See examples of CHEMICAL used in a sentence.
The meaning of CHEMISTRY is a science that deals with the composition, structure, and properties of substances and with the transformations that they undergo. How to use chemistry in a sentence.
Britannica Dictionary definition of CHEMICAL. 1. : of or relating to chemistry. a chemical analysis. chemical elements/bonds. They studied the compound's chemical structure/composition/properties. a chemical laboratory. 2. : working by means of chemicals.