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Some of the companies illegally sent the wherewithal for making chemical weapons.
The chemical structure of this particular molecule is very unusual.
The chemical companies had amalgamated into a vast conglomerate.
Often the chemical is applied to seeds before planting.
The chemical, after all, affects many species.
Their results are published today in Nature Chemical Biology.
He is a chemical doctor.
The chemical change takes place in paper when it burns.
ADJ 化学的;化学反应的;用化学方法生成的 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.
N-COUNT 化学品;化合物;化学制品 Chemicals are substances that are used in a chemical process or made by a chemical process.
The whole food chain is affected by the overuse of chemicals in agriculture.
...a chemicals company.
...the chemical industry.
1. produced by or used in a reaction involving changes in atoms or molecules
1. relating to or used in chemistry;
- " "chemical engineer" "
- " "chemical balance" "
2. of or made from or using substances produced by or used in reactions involving atomic or molecular changes;
- " "chemical fertilizer" "
late 16th cent.: from French chimique or modern Latin chimicus, chymicus, from medieval Latin alchymicus, from alchimia (see alchemy)