1. an abstract part of something

- the grammatical elements of a sentence

Similar word(s): component, constituent, factor, ingredient

Definition categories: thought, division, part, section

2. an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system

- a component or constituent element of a system

Similar word(s): component, constituent

Definition categories: man–made, part, portion

3. any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

Definition categories: substance

4. the most favorable environment for a plant or animal

- water is the element of fishes

Definition categories: location, environment, environs, surround, surroundings

5. one of four substances thought in ancient and medieval cosmology to constitute the physical universe

- the alchemists believed that there were four elements

Definition categories: substance

6. the situation in which you are happiest and most effective

- in your element

Definition categories: state, situation

7. a straight line that generates a cylinder or cone

Definition categories: shape

Sentences with element as a noun:

- Letters are the elements of written language.

- an element of doubt;  an element of the picture

- exposed to the elements

- to be in one's own element

- You sometimes find the hooligan element at football matches.

- The element in this electric kettle can heat the water in under a minute.