chemical
♦♦ chemi|cal /k'emɪkəl/ (chemicals)
1 [ADJ] ADJ n
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] usu pl
Chemicals are substances that are used in a chemical process or made by a chemical process.
The whole food chain is affected by the over-use of chemicals in agriculture.
...the chemical industry.chemi|cal en|gi|neer (chemical engineers)
[N-COUNT]
A chemical engineer is a person who designs and constructs the machines needed for industrial chemical processes.chemi|cal en|gi|neer|ing
[N-UNCOUNT]
Chemical engineering is the designing and constructing of machines that are needed for industrial chemical processes.
1 [ADJ] ADJ n
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] usu pl
Chemicals are substances that are used in a chemical process or made by a chemical process.
The whole food chain is affected by the over-use of chemicals in agriculture.
...the chemical industry.chemi|cal en|gi|neer (chemical engineers)
[N-COUNT]
A chemical engineer is a person who designs and constructs the machines needed for industrial chemical processes.chemi|cal en|gi|neer|ing
[N-UNCOUNT]
Chemical engineering is the designing and constructing of machines that are needed for industrial chemical processes.