element
//ˈɛləmənt//
Noun
elementSingular
elementsPlural
1
A fundamental or essential part or component of something.
Trust is an essential element of any relationship.
2
A substance that cannot be broken down into simpler substances by chemical means, consisting of atoms with the same atomic number.
Oxygen is an element that is essential for life.
3
One of the four substances (earth, air, fire, water) formerly believed to constitute the physical universe.
Ancient philosophers believed that all matter was composed of the four elements.
4
A natural or suitable environment for a person or thing.
She's in her element when she's teaching children.
5
A part or aspect of something abstract, especially one that is essential or characteristic.
Trust is an essential element of any successful relationship.