1. relating to or made up of the chemical elements or basic substances that make up matter
2. relating to the basic or fundamental parts of something; essential or primary
3. relating to or resembling a natural force or element (such as wind, water, fire, or earth); powerful and uncontrolled

Examples

• Oxygen and hydrogen are elemental substances found in water.
• Learning to read is an elemental skill that all children need.
• The storm had an elemental force that knocked down trees.
• The elemental structure of the atom consists of protons, neutrons, and electrons.
• Her fear of the dark seemed almost elemental, as if it came from our earliest ancestors.
• The artist used elemental shapes like circles and squares in her design.