compound, drug, potion, synthetic
English Collins Dictionary - English synonyms & Thesaurus
chemical ( chemicals plural )
1 adj 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 destruction., ...the chemical composition of the ocean., ...chemical weapons.
chemically adv ADV with v, ADV adj
...chemically treated foods..., The medicine chemically affects your physiology.
2 n-count Chemicals are substances that are used in a chemical process or made by a chemical process. usu pl The whole food chain is affected by the over-use of chemicals in agriculture., ...the chemical industry.
chemical engineer ( chemical engineers plural ) A chemical engineer is a person who designs and constructs the machines needed for industrial chemical processes. n-count
Chemical engineering is the designing and constructing of machines that are needed for industrial chemical processes. n-uncount
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"Collins Cobuild English Dictionary for Advanced Learners 4th edition published in 2003 © HarperCollins Publishers 1987, 1995, 2001, 2003 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"