essentialelement
nounUK /ɪˈsenʃəl ˈelɪmənt/
US /ɪˈsenʃəl ˈeləmənt/
A thing you must have because you cannot do without it.
Water is an essential element for all living things.
RELATED WORDS
OTHER MEANINGS
2. A key ingredient in a recipe or mixture.
Flour is an essential element of bread.
3. A core part of a plan or idea.
Trust is an essential element of a good friendship.
4. A basic building block in a subject like science.
Oxygen is an essential element in chemistry.