1.
an abstract part of something
the grammatical elements of a sentence
2.
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
3.
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
4.
one of four substances thought in ancient and medieval cosmology to constitute the physical universe
the alchemists believed that there were four elements
5.
the most favorable environment for a plant or animal
water is the element of fishes
6.
the situation in which you are happiest and most effective
in your element
7.
a straight line that generates a cylinder or cone