primaryelements

noun
UK /ˈpraɪməri ˈɛlɪmənts/
US /ˈpraɪmɛri ˈɛləmənts/

The basic building blocks that make up everything.

Water is made of primary elements like hydrogen and oxygen.


OTHER MEANINGS

2. The simplest substances in chemistry that cannot be broken down further.

The periodic table lists all the primary elements known to science.

3. The first or most important parts of a subject or system.

Understanding the primary elements of grammar helps you write well.

4. The main natural forces or conditions of the environment.

Fire, water, earth, and air were once thought to be the primary elements of nature.