chemical compounds

noun

UK /ˈkɛmɪkəl ˈkɒmpaʊndz/

US /ˈkɛmɪkəl ˈkɑːmpaʊndz/

Chemical compounds are new things made when two or more kinds of atoms join together.

Water is a chemical compound made of hydrogen and oxygen.

SYNONYMS

substances molecules materials compositions

RELATED WORDS

atoms elements mixtures reactions formulas

OTHER MEANINGS

2. Substances formed by chemical bonds between different elements.

Salt is a chemical compound of sodium and chlorine.

3. Combinations of elements in fixed ratios.

Carbon dioxide is a chemical compound with one carbon and two oxygen atoms.

4. Products of chemical reactions.

Rust is a chemical compound that forms when iron reacts with oxygen.